# 2015 Stan Wawrinka tennis season

The 2015 Stan Wawrinka tennis season began at the Chennai Open, where he won the title for the third time in his career. This was followed by an unsuccessful defense of his title at the Australian Open, where he lost in the semi-finals to eventual champion Novak Djokovic in five sets. A few months later, after a relatively unsuccessful clay season, Stan won his second major title at the French Open, defeating Roger Federer and Novak Djokovic in the process.

## Year summary
### Australian Open and early hard court season
#### Chennai Open

Wawrinka opened his season for the seventh consecutive year in Chennai, where he was the defending champion. After a bye in the first round he easily beat Borna Ćorić, Gilles Müller and David Goffin in the semifinal before defeating Aljaž Bedene in the final to have his first singles title defense of his career.

#### Australian Open

Wawrinka entered the first Grand Slam of the year as the fourth seed and was the defending champion. He opened his campaign with ease, recording straight sets wins against Marsel İlhan, Marius Copil and Jarkko Nieminen. In the fourth round Wawrinka lost the first set against the Spanish Guillermo García López but won the match in the fourth set in a tiebreak. The Swiss then avenged his US Open loss Kei Nishikori, defeating him in the quarter-finals in straight sets. At the semi-final, his title defense came to an end after being beaten by eventual champion Novak Djokovic in five sets.

#### Rotterdam

Wawrinka played his first ATP World Tour 500 level and indoor tournament of the year in Rotterdam, first beating Jesse Huta Galung after being a set down. He then beat Garcia-Lopez in three sets, then beat Gilles Müller in straights. In the semifinals, he beat Milos Raonic in two tiebreaks, making his second Top 10 win of the season. At the final, he beat Tomáš Berdych from a set down, winning his first 500 level, and first indoor title of his career.

#### Marseille

Wawrinka continued his indoor play in Marseille, where he first beat wildcard Benoît Paire in straight sets. His run of wins came to an end however, losing to Sergiy Stakhovsky after being a set up.

#### Indian Wells Masters

Wawrinka played at Indian Wells Masters as the seventh seed. After a first round bye, he lost to Robin Haase in three sets in the second round. This was the first loss in his career against the Dutch after six wins of the Swiss.

#### Miami Open

Wawrinka defeated in the second round Carlos Berlocq in a three set match, but he was beat by Adrian Mannarino in the next round in three sets.

### Spring clay court season and French Open
#### Monte-Carlo Masters

Wawrinka began his clay season in Monte-Carlo where he was the defending champion. He faced Juan Mónaco as his first opponent and defeated him in straight sets. However, he lost against Grigor Dimitrov in the next round, receiving his worst loss of his career, winning only a total of 3 games. After his loss, he publicly announced on Facebook about his separation with his wife, Ilham.

#### Madrid

Wawrinka first defeated João Sousa in straight sets, but was defeated again by Dimitrov in the next round, this time losing in three sets.

#### Rome

After a slump that started since Indian Wells, Wawrinka started to show some form again after beating Monaco in his first match after being down a set and a break, and having break points against him for a double break. He then reached another ATP World Tour Masters 1000 quarterfinal after beating Dominic Thiem in straights, his first since Cincinnati the year before. At the quarterfinal, he defeated Rafael Nadal for the first time on clay, beating him in straight sets for the first time in his career, after being down multiple set points in the first-set tiebreaker. He then faced fellow Swiss Roger Federer in the semifinal, where he was defeated in straights after being a break up in the first set.

#### Geneva

Wawrinka continued his preparation for the French Open by playing in the inaugural Geneva Open, where he beat qualifier Lukáš Rosol in three sets. He then lost in the quarterfinals against Federico Delbonis after being a set up.

#### French Open

Wawrinka started his 2015 French Open campaign, first beating İlhan. He then followed it up by beating Dušan Lajović, only dropping the third set. He then beat Steve Johnson, then beat Gilles Simon, both in straight sets. At the quarterfinal, he again faced Federer in a rematch of Rome this year, where Wawrinka turned the tables against his fellow Swiss, incurring Wawrinka's first win against Federer in a Grand Slam. This win meant that Wawrinka had finally beaten each of the Big Four in a major at least one time, and it also has brought Federer's first defeat in a major without breaking his opponent's serve, and also brings Wawrinka's first French Open semifinal. At the semifinal, he faced Jo-Wilfried Tsonga, where after winning a comfortable first set, he dropped the second after being a break up. At the third set, Wawrinka prevailed in the tiebreak after being down multiple break points in the set. He then won the match winning the fourth set, beating the Frenchman and advancing to his first French Open final, his second major final overall. At the final, he faced Djokovic, where he lost the first set. However, he was able to come back in the second set after being break points down in the first game. He was also able to win the third set comfortably. At the fourth set however, he lost the first three games. Wawrinka eventually was able to come back in the set, and had break points on the seventh game. Djokovic managed to save them all however, and had Wawrinka at 0–40 in the eight game, but managed to save them all. He finally broke Djokovic in the ninth game, and won the match after serving it out in the game after. With this win, he won his first French Open title, improved his major final record to 2–0, and won his second major title of his career.

### Grass court season and Wimbledon
#### Queen's Club

Wawrinka started his grass court season campaign by playing the 2015 Aegon Championships on Queen's Club in London, where he first beat last year's Wimbledon quarterfinalist Nick Kyrgios in straights. However, he was then beaten by eventual finalist Kevin Anderson in two tight tiebreak sets, making it his fourth consecutive loss against the South African.

#### Wimbledon

Wawrinka continued his major win streak by defeating Sousa, Víctor Estrella Burgos, Fernando Verdasco and David Goffin in the first four rounds, all in straight sets. At the quarterfinal, however, he was beaten by Richard Gasquet after having a 2-1 set lead.

### US Open series
#### Montreal

He started his US Open preparation by playing in the 2015 Rogers Cup. He lost to Kyrgios after being a set up, where Wawrinka retired at the third set. During the match, Kyrgios made offending comments against Wawrinka, where after knowing about it after match, Wawrinka demanded Kyrgios an apology to those all concerned in the incident.

#### Cincinnati

Wawrinka played at the 2015 Western & Southern Open in Cincinnati, where he first faced Borna Ćorić, defeating him from a set down. He then faced another Croatian in Ivo Karlović, where he won in three tiebreak sets. In a rematch of the French Open final, he faced Djokovic again, but this time in a Masters quarterfinal, where Djokovic prevailed losing only 5 games.

#### US Open

At the third major of the year, Wawrinka started his 2015 US Open campaign by first beating Albert Ramos in straight sets. He then faced young South Korean player Chung Hyeon, where he needed three tiebreak sets to win it. He then defeated Ruben Bemelmans, in straight sets again, but then dropped his first set of the tournament, against Donald Young. He eventually prevailed in four sets, where he next faced Anderson, and finally snapeds the four match losing streak against the South African, winning in straight sets and the third set without losing a game. At the semifinal, he faced Federer again, where he lost in straights.

### Davis Cup play-offs, Asian swing, and the indoor season
#### Davis Cup World Group play-offs

Wawrinka represented Switzerland in the 2015 Davis Cup World Group play-offs, facing against Dutchman Thiemo de Bakker in the first singles rubber. After being 1-2 sets down, Warwinka was able to come back and win the next two sets to win the match. Switzerland eventually won the tie at the fourth rubber.

#### Metz

Wawrinka started the indoor season at the 2015 Moselle Open, where he defeated Dustin Brown in three sets. However, Wawrinka gave a walkover on the quarterfinal against Philipp Kohlschreiber.

#### Tokyo

Wawrinka started the Asian swing by playing at the 2015 Rakuten Japan Open Tennis Championships in Tokyo, where he first beat Radek Štěpánek in straights, his first straight sets win in a three-setter since his win against Kyrgios in Queen's Club. He then avenged his loss against Tatsuma Ito the year before, by beating him this time in three sets. Wawrinka then faced qualifier Austin Krajicek in the quarterfinals, defeating him in straight sets. At the semifinal, he faced Muller again, again winning in straight sets, with a second-set tiebreaker. He faced his close friend Paire again, but this time in a final for the first time. Wawrinka won the match for the championship, winning it in straight sets, giving Wawrinka his first Tokyo title, and his second 500 level tournament title of the year and his career.

#### Shanghai

Wawrinka continued the Asian swing by participating in the 2015 Shanghai Rolex Masters, where he first beat Viktor Troicki in straights. He then faced Marin Čilić, winning in a tight three setter. His run came to an end when he faced Nadal again at a Masters quarterfinal, this time Wawrinka only winning three games during the match.

#### Basel

After the Asian swing, Wawrinka continued his indoor season in the 2015 Swiss Indoors in Basel. He lost against Karlović this time in three sets however, after he won the first set.

#### Paris

Wawrinka played at the 2015 BNP Paribas Masters in Paris, the final ATP World Tour Masters 1000 tournament of the year. He first defeated Bernard Tomic in straight sets, then beat Troicki again in straight sets. He again faced Nadal in the quarterfinal, but this time he won in two very tight tiebreak sets. Wawrinka then faced Djokovic, where after being a set a break down, was able to win the second set, giving Djokovic his first set loss since the US Open final. However, Wawrinka wasn't able to carry this momentum, as he didn't win any games in the third set, ending his run this year in the Masters.

#### ATP World Tour Finals

Wawrinka qualified for the third straight time in the ATP World Tour Finals, and is the fourth seed at the event. He was put in the Ilie Năstase Group. At the first rubber, he lost against Nadal in straights only winning five games. At the second rubber, he won against Ferrer in straights. At the third rubber, he faced Andy Murray for the first time since their last meeting at the 2013 US Open quarterfinals, where the winner of this rubber would be guaranteed a place in the semifinal after placing second in the group, facing Federer. Wawrinka won the match in straight sets, advancing him to his third straight semifinal at the year-end championships. He rematched Federer in the semifinal, this time losing in straight sets.

## All matches

This table chronicles all the matches of Stanislas Wawrinka in 2015, including walkovers (W/O) which the ATP does not count as wins. They are marked ND for non-decision or no decision.
Key :
| W | F | SF | QF | #R | RR | Q# | P# | DNQ | A | Z# | PO | G | S | B | NMS | NTI | P | NH |

### Singles matches

| Tournament | Match | Round | Opponent (seed or key) | Rank | Result | Score |
| Chennai Open Chennai, India ATP Tour 250 Hard, outdoor 5–11 January 2015 |
| Chennai Open Chennai, India ATP Tour 250 Hard, outdoor 5–11 January 2015 | – | 1R | Bye | Bye | Bye | Bye |
| Chennai Open Chennai, India ATP Tour 250 Hard, outdoor 5–11 January 2015 | 1 / 554 | 2R | Borna Ćorić | 95 | Win | 6–1, 6–4 |
| Chennai Open Chennai, India ATP Tour 250 Hard, outdoor 5–11 January 2015 | 2 / 555 | QF | Gilles Müller (8) | 46 | Win | 6–2, 7–6$^{(7–4)}$ |
| Chennai Open Chennai, India ATP Tour 250 Hard, outdoor 5–11 January 2015 | 3 / 556 | SF | David Goffin (4) | 22 | Win | 7–5, 6–3 |
| Chennai Open Chennai, India ATP Tour 250 Hard, outdoor 5–11 January 2015 | 4 / 557 | W | Aljaž Bedene (Q) | 156 | Win (1) | 6–3, 6–4 |
| Australian Open Melbourne, Australia Grand Slam tournament Hard, outdoor 19 January – 1 February 2015 |
| Australian Open Melbourne, Australia Grand Slam tournament Hard, outdoor 19 January – 1 February 2015 | 5 / 558 | 1R | Marsel İlhan (Q) | 100 | Win | 6–1, 6–4, 6–2 |
| Australian Open Melbourne, Australia Grand Slam tournament Hard, outdoor 19 January – 1 February 2015 | 6 / 559 | 2R | Marius Copil | 194 | Win | 7–6$^{(7–4)}$, 7–6$^{(7–4)}$, 6–3 |
| Australian Open Melbourne, Australia Grand Slam tournament Hard, outdoor 19 January – 1 February 2015 | 7 / 560 | 3R | Jarkko Nieminen | 72 | Win | 6–4, 6–2, 6–4 |
| Australian Open Melbourne, Australia Grand Slam tournament Hard, outdoor 19 January – 1 February 2015 | 8 / 561 | 4R | Guillermo García López | 37 | Win | 7–6$^{(7–2)}$, 6–4, 4–6, 7–6$^{(10–8)}$ |
| Australian Open Melbourne, Australia Grand Slam tournament Hard, outdoor 19 January – 1 February 2015 | 9 / 562 | QF | Kei Nishikori (5) | 5 | Win | 6–3, 6–4, 7–6$^{(8–6)}$ |
| Australian Open Melbourne, Australia Grand Slam tournament Hard, outdoor 19 January – 1 February 2015 | 10 / 563 | SF | Novak Djokovic (1) | 1 | Loss | 6–7$^{(1–7)}$, 6–3, 4–6, 6–4, 0–6 |
| Rotterdam Open Rotterdam, Netherlands ATP Tour 500 Hard, indoor 9–15 February 2015 |
| Rotterdam Open Rotterdam, Netherlands ATP Tour 500 Hard, indoor 9–15 February 2015 | 11 / 564 | 1R | Jesse Huta Galung (WC) | 248 | Win | 6–3, 3–6, 6–3 |
| Rotterdam Open Rotterdam, Netherlands ATP Tour 500 Hard, indoor 9–15 February 2015 | 12 / 565 | 2R | Guillermo García López | 27 | Win | 6–7$^{(2–7)}$, 6–4, 6–2 |
| Rotterdam Open Rotterdam, Netherlands ATP Tour 500 Hard, indoor 9–15 February 2015 | 13 / 566 | QF | Gilles Müller | 37 | Win | 7–6$^{(7–3)}$, 6–3 |
| Rotterdam Open Rotterdam, Netherlands ATP Tour 500 Hard, indoor 9–15 February 2015 | 14 / 567 | SF | Milos Raonic (2) | 6 | Win | 7–6$^{(7–3)}$, 7–6$^{(9–7)}$ |
| Rotterdam Open Rotterdam, Netherlands ATP Tour 500 Hard, indoor 9–15 February 2015 | 15 / 568 | W | Tomáš Berdych (3) | 7 | Win (2) | 4–6, 6–3, 6–4 |
| Open 13 Marseille, France ATP Tour 250 Hard, indoor 16–22 February 2015 |
| Open 13 Marseille, France ATP Tour 250 Hard, indoor 16–22 February 2015 | – | 1R | Bye | Bye | Bye | Bye |
| Open 13 Marseille, France ATP Tour 250 Hard, indoor 16–22 February 2015 | 16 / 569 | 2R | Benoît Paire (WC) | 121 | Win | 6–2, 6–3 |
| Open 13 Marseille, France ATP Tour 250 Hard, indoor 16–22 February 2015 | 17 / 570 | QF | Sergiy Stakhovsky | 59 | Loss | 4–6, 6–3, 4–6 |
| Indian Wells Masters Indian Wells, United States ATP Tour Masters 1000 Hard, outdoor 12–22 March 2015 |
| Indian Wells Masters Indian Wells, United States ATP Tour Masters 1000 Hard, outdoor 12–22 March 2015 | – | 1R | Bye | Bye | Bye | Bye |
| Indian Wells Masters Indian Wells, United States ATP Tour Masters 1000 Hard, outdoor 12–22 March 2015 | 18 / 571 | 2R | Robin Haase | 104 | Loss | 3–6, 6–3, 3–6 |
| Miami Open Miami, United States ATP Tour Masters 1000 Hard, outdoor 25 March – 05 April 2015 |
| Miami Open Miami, United States ATP Tour Masters 1000 Hard, outdoor 25 March – 05 April 2015 | – | 1R | Bye | Bye | Bye | Bye |
| Miami Open Miami, United States ATP Tour Masters 1000 Hard, outdoor 25 March – 05 April 2015 | 19 / 572 | 2R | Carlos Berlocq | 68 | Win | 6–7$^{(9–11)}$, 7–5, 6–2 |
| Miami Open Miami, United States ATP Tour Masters 1000 Hard, outdoor 25 March – 05 April 2015 | 20 / 573 | 3R | Adrian Mannarino (28) | 32 | Loss | 6–7$^{(4–7)}$, 6–7$^{(5–7)}$ |
| Monte-Carlo Masters Roquebrune-Cap-Martin, France ATP Tour Masters 1000 Clay, outdoor 12–19 April 2015 |
| Monte-Carlo Masters Roquebrune-Cap-Martin, France ATP Tour Masters 1000 Clay, outdoor 12–19 April 2015 | – | 1R | Bye | Bye | Bye | Bye |
| Monte-Carlo Masters Roquebrune-Cap-Martin, France ATP Tour Masters 1000 Clay, outdoor 12–19 April 2015 | 21 / 574 | 2R | Juan Mónaco | 42 | Win | 6–1, 6–4 |
| Monte-Carlo Masters Roquebrune-Cap-Martin, France ATP Tour Masters 1000 Clay, outdoor 12–19 April 2015 | 22 / 575 | 3R | Grigor Dimitrov (9) | 11 | Loss | 1–6, 2–6 |
| Madrid Open Madrid, Spain ATP Tour Masters 1000 Clay, outdoor 4–10 May 2015 |
| Madrid Open Madrid, Spain ATP Tour Masters 1000 Clay, outdoor 4–10 May 2015 | – | 1R | Bye | Bye | Bye | Bye |
| Madrid Open Madrid, Spain ATP Tour Masters 1000 Clay, outdoor 4–10 May 2015 | 23 / 576 | 2R | João Sousa (LL) | 56 | Win | 7–6$^{(7–1)}$, 7–5 |
| Madrid Open Madrid, Spain ATP Tour Masters 1000 Clay, outdoor 4–10 May 2015 | 24 / 577 | 3R | Grigor Dimitrov (10) | 11 | Loss | 6–7$^{(5–7)}$, 6–3, 3–6 |
| Italian Open Rome, Italy ATP Tour Masters 1000 Clay, outdoor 11–17 May 2015 |
| Italian Open Rome, Italy ATP Tour Masters 1000 Clay, outdoor 11–17 May 2015 | – | 1R | Bye | Bye | Bye | Bye |
| Italian Open Rome, Italy ATP Tour Masters 1000 Clay, outdoor 11–17 May 2015 | 25 / 578 | 2R | Juan Mónaco | 36 | Win | 4–6, 6–3, 6–2 |
| Italian Open Rome, Italy ATP Tour Masters 1000 Clay, outdoor 11–17 May 2015 | 26 / 579 | 3R | Dominic Thiem | 49 | Win | 7–6$^{(7–3)}$, 6–4 |
| Italian Open Rome, Italy ATP Tour Masters 1000 Clay, outdoor 11–17 May 2015 | 27 / 580 | QF | Rafael Nadal (4) | 7 | Win | 7–6$^{(9–7)}$, 6–2 |
| Italian Open Rome, Italy ATP Tour Masters 1000 Clay, outdoor 11–17 May 2015 | 28 / 581 | SF | Roger Federer (2) | 2 | Loss | 4–6, 2–6 |
| Geneva Open Geneva, Switzerland ATP Tour 250 Clay, outdoor 17–23 May 2015 |
| Geneva Open Geneva, Switzerland ATP Tour 250 Clay, outdoor 17–23 May 2015 | – | 1R | Bye | Bye | Bye | Bye |
| Geneva Open Geneva, Switzerland ATP Tour 250 Clay, outdoor 17–23 May 2015 | 29 / 582 | 2R | Lukáš Rosol (Q) | 49 | Win | 6–4, 3–6, 6–4 |
| Geneva Open Geneva, Switzerland ATP Tour 250 Clay, outdoor 17–23 May 2015 | 30 / 583 | QF | Federico Delbonis | 74 | Loss | 7–6$^{(7–5)}$, 4–6, 4–6 |
| French Open Paris, France Grand Slam tournament Clay, outdoor 24 May – 7 June 2015 |
| French Open Paris, France Grand Slam tournament Clay, outdoor 24 May – 7 June 2015 | 31 / 584 | 1R | Marsel İlhan | 82 | Win | 6–3, 6–2, 6–3 |
| French Open Paris, France Grand Slam tournament Clay, outdoor 24 May – 7 June 2015 | 32 / 585 | 2R | Dušan Lajović | 75 | Win | 6–3, 6–4, 5–7, 6–3 |
| French Open Paris, France Grand Slam tournament Clay, outdoor 24 May – 7 June 2015 | 33 / 586 | 3R | Steve Johnson | 56 | Win | 6–4, 6–3, 6–2 |
| French Open Paris, France Grand Slam tournament Clay, outdoor 24 May – 7 June 2015 | 34 / 587 | 4R | Gilles Simon (12) | 13 | Win | 6–1, 6–4, 6–2 |
| French Open Paris, France Grand Slam tournament Clay, outdoor 24 May – 7 June 2015 | 35 / 588 | QF | Roger Federer (2) | 2 | Win | 6–4, 6–3, 7–6$^{(7–4)}$ |
| French Open Paris, France Grand Slam tournament Clay, outdoor 24 May – 7 June 2015 | 36 / 589 | SF | Jo-Wilfried Tsonga (14) | 15 | Win | 6–3, 6–7$^{(1–7)}$, 7–6$^{(7–3)}$, 6–4 |
| French Open Paris, France Grand Slam tournament Clay, outdoor 24 May – 7 June 2015 | 37 / 590 | W | Novak Djokovic (1) | 1 | Win (3) | 4–6, 6–4, 6–3, 6–4 |
| Queen's Club Championships London, United Kingdom ATP Tour 500 Grass, outdoor 15–21 June 2015 |
| Queen's Club Championships London, United Kingdom ATP Tour 500 Grass, outdoor 15–21 June 2015 | 38 / 591 | 1R | Nick Kyrgios | 28 | Win | 6–3, 6–4 |
| Queen's Club Championships London, United Kingdom ATP Tour 500 Grass, outdoor 15–21 June 2015 | 39 / 592 | 2R | Kevin Anderson | 17 | Loss | 6–7$^{(4–7)}$, 6–7$^{(11–13)}$ |
| Wimbledon Championships London, United Kingdom Grand Slam tournament Grass, outdoor 29 June – 12 July 2015 |
| Wimbledon Championships London, United Kingdom Grand Slam tournament Grass, outdoor 29 June – 12 July 2015 | 40 / 593 | 1R | João Sousa | 46 | Win | 6–2, 7–5, 7–6$^{(7–3)}$ |
| Wimbledon Championships London, United Kingdom Grand Slam tournament Grass, outdoor 29 June – 12 July 2015 | 41 / 594 | 2R | Víctor Estrella Burgos | 48 | Win | 6–3, 6–4, 7–5 |
| Wimbledon Championships London, United Kingdom Grand Slam tournament Grass, outdoor 29 June – 12 July 2015 | 42 / 595 | 3R | Fernando Verdasco | 43 | Win | 6–4, 6–3, 6–4 |
| Wimbledon Championships London, United Kingdom Grand Slam tournament Grass, outdoor 29 June – 12 July 2015 | 43 / 596 | 4R | David Goffin (16) | 15 | Win | 7–6$^{(7–3)}$, 7–6$^{(9–7)}$, 6–4 |
| Wimbledon Championships London, United Kingdom Grand Slam tournament Grass, outdoor 29 June – 12 July 2015 | 44 / 597 | QF | Richard Gasquet (21) | 20 | Loss | 4–6, 6–4, 6–3, 4–6, 9–11 |
| Canadian Open Montreal, Canada ATP Tour Masters 1000 Hard, outdoor 10–16 August 2015 |
| Canadian Open Montreal, Canada ATP Tour Masters 1000 Hard, outdoor 10–16 August 2015 | – | 1R | Bye | Bye | Bye | Bye |
| Canadian Open Montreal, Canada ATP Tour Masters 1000 Hard, outdoor 10–16 August 2015 | 45 / 598 | 2R | Nick Kyrgios | 41 | Loss | 7–6$^{(10–8)}$, 3–6, 0–4, ret. |
| Cincinnati Masters Cincinnati, United States ATP Tour Masters 1000 Hard, outdoor 17–23 August 2015 |
| Cincinnati Masters Cincinnati, United States ATP Tour Masters 1000 Hard, outdoor 17–23 August 2015 | – | 1R | Bye | Bye | Bye | Bye |
| Cincinnati Masters Cincinnati, United States ATP Tour Masters 1000 Hard, outdoor 17–23 August 2015 | 46 / 599 | 2R | Borna Ćorić | 38 | Win | 3–6, 7–6$^{(7–3)}$, 6–3 |
| Cincinnati Masters Cincinnati, United States ATP Tour Masters 1000 Hard, outdoor 17–23 August 2015 | 47 / 600 | 3R | Ivo Karlović | 21 | Win | 6–7$^{(2–7)}$, 7–6$^{(7–5)}$, 7–6$^{(7–5)}$ |
| Cincinnati Masters Cincinnati, United States ATP Tour Masters 1000 Hard, outdoor 17–23 August 2015 | 48 / 601 | QF | Novak Djokovic (1) | 1 | Loss | 4–6, 1–6 |
| US Open New York City, United States Grand Slam tournament Hard, outdoor 31 August – 13 September 2015 |
| US Open New York City, United States Grand Slam tournament Hard, outdoor 31 August – 13 September 2015 | 49 / 602 | 1R | Albert Ramos | 58 | Win | 7–5, 6–4, 7–6$^{(8–6)}$ |
| US Open New York City, United States Grand Slam tournament Hard, outdoor 31 August – 13 September 2015 | 50 / 603 | 2R | Chung Hyeon | 69 | Win | 7–6$^{(7–2)}$, 7–6$^{(7–4)}$, 7–6$^{(8–6)}$ |
| US Open New York City, United States Grand Slam tournament Hard, outdoor 31 August – 13 September 2015 | 51 / 604 | 3R | Ruben Bemelmans | 107 | Win | 6–3, 7–6$^{(7–5)}$, 6–4 |
| US Open New York City, United States Grand Slam tournament Hard, outdoor 31 August – 13 September 2015 | 52 / 605 | 4R | Donald Young | 68 | Win | 6–3, 1–6, 6–3, 6–4 |
| US Open New York City, United States Grand Slam tournament Hard, outdoor 31 August – 13 September 2015 | 53 / 606 | QF | Kevin Anderson (15) | 14 | Win | 6–4, 6–4, 6–0 |
| US Open New York City, United States Grand Slam tournament Hard, outdoor 31 August – 13 September 2015 | 54 / 607 | SF | Roger Federer (2) | 2 | Loss | 4–6, 3–6, 1–6 |
| Davis Cup World Group play-offs Geneva, Switzerland Davis Cup Hard, indoor 18–20 September 2015 |
| Davis Cup World Group play-offs Geneva, Switzerland Davis Cup Hard, indoor 18–20 September 2015 | 55 / 608 | RR | Thiemo de Bakker | 144 | Win | 2–6, 6–3, 4–6, 6–3, 7–5 |
| Moselle Open Metz, France ATP Tour 250 Hard, indoor 21–27 September 2015 |
| Moselle Open Metz, France ATP Tour 250 Hard, indoor 21–27 September 2015 | – | 1R | Bye | Bye | Bye | Bye |
| Moselle Open Metz, France ATP Tour 250 Hard, indoor 21–27 September 2015 | 56 / 609 | 2R | Dustin Brown | 107 | Win | 4–6, 6–3, 7–6$^{(7–4)}$ |
| Moselle Open Metz, France ATP Tour 250 Hard, indoor 21–27 September 2015 | – | QF | Philipp Kohlschreiber | 33 | Withdrew | N/A |
| Japan Open Tokyo, Japan ATP Tour 500 Hard, outdoor 5–11 October 2015 |
| Japan Open Tokyo, Japan ATP Tour 500 Hard, outdoor 5–11 October 2015 | 57 / 610 | 1R | Radek Štěpánek (PR) | 255 | Win | 7–5, 6–3 |
| Japan Open Tokyo, Japan ATP Tour 500 Hard, outdoor 5–11 October 2015 | 58 / 611 | 2R | Tatsuma Ito (WC) | 127 | Win | 6–3, 2–6, 6–4 |
| Japan Open Tokyo, Japan ATP Tour 500 Hard, outdoor 5–11 October 2015 | 59 / 612 | QF | Austin Krajicek (Q) | 124 | Win | 6–3, 6–4 |
| Japan Open Tokyo, Japan ATP Tour 500 Hard, outdoor 5–11 October 2015 | 60 / 613 | SF | Gilles Müller | 43 | Win | 6–4, 7–6$^{(7–5)}$ |
| Japan Open Tokyo, Japan ATP Tour 500 Hard, outdoor 5–11 October 2015 | 61 / 614 | W | Benoît Paire | 32 | Win (4) | 6–2, 6–4 |
| Shanghai Masters Shanghai, China ATP Tour Masters 1000 Hard, outdoor 11–18 October 2015 |
| Shanghai Masters Shanghai, China ATP Tour Masters 1000 Hard, outdoor 11–18 October 2015 | – | 1R | Bye | Bye | Bye | Bye |
| Shanghai Masters Shanghai, China ATP Tour Masters 1000 Hard, outdoor 11–18 October 2015 | 62 / 615 | 2R | Viktor Troicki | 24 | Win | 7–6$^{(7–3)}$, 6–3 |
| Shanghai Masters Shanghai, China ATP Tour Masters 1000 Hard, outdoor 11–18 October 2015 | 63 / 616 | 3R | Marin Čilić (14) | 12 | Win | 7–5, 6–7$^{(7–9)}$, 6–4 |
| Shanghai Masters Shanghai, China ATP Tour Masters 1000 Hard, outdoor 11–18 October 2015 | 64 / 617 | QF | Rafael Nadal (8) | 7 | Loss | 2–6, 1–6 |
| Swiss Indoors Basel, Switzerland ATP Tour 500 Hard, indoor 26 October – 1 November 2015 |
| Swiss Indoors Basel, Switzerland ATP Tour 500 Hard, indoor 26 October – 1 November 2015 | 65 / 618 | 1R | Ivo Karlović | 23 | Loss | 6–3, 6–7$^{(2–7)}$, 4–6 |
| Paris Masters Paris, France ATP Tour Masters 1000 Hard, indoor 2–8 November 2015 |
| Paris Masters Paris, France ATP Tour Masters 1000 Hard, indoor 2–8 November 2015 | – | 1R | Bye | Bye | Bye | Bye |
| Paris Masters Paris, France ATP Tour Masters 1000 Hard, indoor 2–8 November 2015 | 66 / 619 | 2R | Bernard Tomic | 18 | Win | 6–3, 7–6$^{(7–5)}$ |
| Paris Masters Paris, France ATP Tour Masters 1000 Hard, indoor 2–8 November 2015 | 67 / 620 | 3R | Viktor Troicki | 27 | Win | 6–4, 7–5 |
| Paris Masters Paris, France ATP Tour Masters 1000 Hard, indoor 2–8 November 2015 | 68 / 621 | QF | Rafael Nadal (7) | 6 | Win | 7–6$^{(10–8)}$, 7–6$^{(9–7)}$ |
| Paris Masters Paris, France ATP Tour Masters 1000 Hard, indoor 2–8 November 2015 | 69 / 622 | SF | Novak Djokovic (1) | 1 | Loss | 3–6, 6–3, 0–6 |
| ATP World Tour Finals London, United Kingdom ATP Finals Hard, indoor 15–22 November 2015 |
| ATP World Tour Finals London, United Kingdom ATP Finals Hard, indoor 15–22 November 2015 | 70 / 623 | RR | Rafael Nadal (5) | 5 | Loss | 3–6, 2–6 |
| ATP World Tour Finals London, United Kingdom ATP Finals Hard, indoor 15–22 November 2015 | 71 / 624 | RR | David Ferrer (7) | 7 | Win | 7–5, 6–2 |
| ATP World Tour Finals London, United Kingdom ATP Finals Hard, indoor 15–22 November 2015 | 72 / 625 | RR | Andy Murray (2) | 2 | Win | 7–6$^{(7–4)}$, 6–4 |
| ATP World Tour Finals London, United Kingdom ATP Finals Hard, indoor 15–22 November 2015 | 73 / 626 | SF | Roger Federer (3) | 3 | Loss | 5–7, 3–6 |

### Doubles matches

| Tournament | Match | Round | Opponents (seed or key) | Ranks | Result | Score |
| Aircel Chennai Open Chennai, India ATP Tour 250 Hard, outdoor 5–11 January 2015 Partner: Roberto Bautista Agut |
| Aircel Chennai Open Chennai, India ATP Tour 250 Hard, outdoor 5–11 January 2015 Partner: Roberto Bautista Agut | 1 | 2R | Johan Brunström Nicholas Monroe (3) | #63 / #65 | Win | 5–7, 6–3, [10–8] |
| Aircel Chennai Open Chennai, India ATP Tour 250 Hard, outdoor 5–11 January 2015 Partner: Roberto Bautista Agut | 2 | QF | Purav Raja Adil Shamasdin | #146 / #74 | Loss | 6–7$^{(5–7)}$, 6–4, [4–10] |
| Indian Wells Masters Indian Wells, USA ATP Tour Masters 1000 Hard, outdoor 9–22 March 2015 Partner: Łukasz Kubot |
| Indian Wells Masters Indian Wells, USA ATP Tour Masters 1000 Hard, outdoor 9–22 March 2015 Partner: Łukasz Kubot | 3 | 1R | Ivan Dodig Marcelo Melo (2) | #6 / #3 | Loss | 6–7$^{(1–7)}$, 2–6 |
| Monte-Carlo Masters Roquebrune-Cap-Martin, France ATP Tour Masters 1000 Clay, outdoor 12–19 April 2015 Partner: Benoît Paire |
| Monte-Carlo Masters Roquebrune-Cap-Martin, France ATP Tour Masters 1000 Clay, outdoor 12–19 April 2015 Partner: Benoît Paire | 4 | 1R | Rohan Bopanna Florin Mergea | #24 / #18 | Win | 6–7$^{(6–8)}$, 6–4, [10–7] |
| Monte-Carlo Masters Roquebrune-Cap-Martin, France ATP Tour Masters 1000 Clay, outdoor 12–19 April 2015 Partner: Benoît Paire | 5 | 2R | Daniel Nestor Leander Paes (6) | #7 / #23 | Win | 6–4, 7–6$^{(7–4)}$ |
| Monte-Carlo Masters Roquebrune-Cap-Martin, France ATP Tour Masters 1000 Clay, outdoor 12–19 April 2015 Partner: Benoît Paire | 6 | QF | Marcin Matkowski Nenad Zimonjić (4) | #21 / #4 | Loss | 2–6, 3–6 |
| Queen's Club Championships London, United Kingdom ATP Tour 500 Grass, outdoor 15–21 June 2015 Partner: Grigor Dimitrov |
| Queen's Club Championships London, United Kingdom ATP Tour 500 Grass, outdoor 15–21 June 2015 Partner: Grigor Dimitrov | 7 | 1R | Marcin Matkowski Nenad Zimonjić (2) | #27 / #3 | Loss | 6–7$^{(5–7)}$, 6–7$^{(3–7)}$ |
| Cincinnati Masters Cincinnati, United States ATP Tour Masters 1000 Hard, outdoor 17–23 August 2015 Partner: Leander Paes |
| Cincinnati Masters Cincinnati, United States ATP Tour Masters 1000 Hard, outdoor 17–23 August 2015 Partner: Leander Paes | 8 | 1R | Kevin Anderson Jérémy Chardy | #69 / #41 | Win | 1–6, 6–1, [10–6] |
| Cincinnati Masters Cincinnati, United States ATP Tour Masters 1000 Hard, outdoor 17–23 August 2015 Partner: Leander Paes | 9 | 2R | Vasek Pospisil Jack Sock (8) | #17 / #21 | Win | 7–6$^{(7–4)}$, 3–6, [10–3] |
| Cincinnati Masters Cincinnati, United States ATP Tour Masters 1000 Hard, outdoor 17–23 August 2015 Partner: Leander Paes | 10 | QF | Feliciano López Max Mirnyi | #52 / #36 | Loss | 6–3, 2–6, [12–14] |

## Tournament Schedule
### Singles schedule

| Date | Tournament | City | Category | Surface | 2014 result | 2014 points | 2015 points | Outcome |
| 05.01.2015–11.01.2015 | Chennai Open | Chennai | ATP World Tour 250 | Hard | W | 250 | 250 | Winner (def. Aljaž Bedene, 6–3, 6–4) |
| 19.01.2015–01.02.2015 | Australian Open | Melbourne | Grand Slam | Hard | W | 2000 | 720 | Semifinals (lost to Novak Djokovic, 6–7$^{(1–7)}$, 6–3, 4–6, 6–4, 0–6) |
| 09.02.2015–15.02.2015 | Rotterdam Open | Rotterdam | ATP World Tour 500 | Hard (i) | A | 0 | 500 | Winner (def. Tomáš Berdych, 4–6, 6–3, 6–4) |
| 16.02.2015–22.02.2015 | Open 13 | Marseille | ATP World Tour 250 | Hard (i) | A | 0 | 45 | Quarterfinals (lost to Sergiy Stakhovsky, 4–6, 6–3, 4–6) |
| 12.03.2015–22.03.2015 | Indian Wells Masters | Indian Wells | ATP Masters 1000 | Hard | 4R | 90 | 10 | Second round (lost to Robin Haase, 3–6, 6–3, 3–6) |
| 25.03.2015–05.04.2015 | Miami Open | Miami | ATP Masters 1000 | Hard | 4R | 90 | 45 | Third round (lost to Adrian Mannarino, 6–7$^{(4–7)}$, 6–7$^{(5–7)}$) |
| 12.04.2015–19.04.2015 | Monte-Carlo Masters | Roquebrune-Cap-Martin | ATP Masters 1000 | Clay | W | 1000 | 90 | Third round (lost to Grigor Dimitrov, 1–6, 2–6) |
| 03.05.2015–10.05.2015 | Madrid Open | Madrid | ATP Masters 1000 | Clay | 2R | 10 | 90 | Third round (lost to Grigor Dimitrov, 6–7$^{(5–7)}$, 6–3, 3–6) |
| 10.05.2015–17.05.2015 | Italian Open | Rome | ATP Masters 1000 | Clay | 3R | 90 | 360 | Semifinals (lost to Roger Federer, 4–6, 2–6) |
| 17.05.2015–23.05.2015 | Geneva Open | Geneva | ATP World Tour 250 | Clay | A | 0 | 45 | Quarterfinals (lost to Federico Delbonis, 7–6$^{(7–5)}$, 4–6, 4–6) |
| 24.05.2015–07.06.2015 | French Open | Paris | Grand Slam | Clay | 1R | 10 | 2000 | Winner (def. Novak Djokovic, 4–6, 6–4, 6–3, 6–4) |
| 15.06.2015–21.06.2015 | Queen's Club Championships | London | ATP World Tour 500 | Grass | SF | 90 | 45 | Second round (lost to Kevin Anderson, 6–7$^{(4–7)}$, 6–7$^{(11–13)}$) |
| 29.06.2015–12.07.2015 | Wimbledon | London | Grand Slam | Grass | QF | 360 | 360 | Quarterfinals (lost to Richard Gasquet, 4–6, 6–4, 6–3, 4–6, 9–11) |
| 10.08.2015–16.08.2015 | Canadian Open | Montreal | ATP Masters 1000 | Hard | 3R | 90 | 10 | Second round (lost to Nick Kyrgios, 7–6$^{(10–8)}$, 3–6, 0–4 ret.) |
| 17.08.2015–23.08.2015 | Cincinnati Masters | Cincinnati | ATP Masters 1000 | Hard | QF | 180 | 180 | Quarterfinals (lost to Novak Djokovic, 4–6, 1–6) |
| 31.08.2015–13.09.2015 | US Open | New York City | Grand Slam | Hard | QF | 360 | 720 | Semifinals (lost to Roger Federer, 4–6, 3–6, 1–6) |
| 18.09.2015–20.09.2015 | Davis Cup World Group play-offs: Switzerland vs. Netherlands | Geneva | Davis Cup | Hard (i) | N/A | N/A | 5 | Switzerland def. Netherlands, 4–1 Switzerland advanced to 2016 World Group |
| 21.09.2015–27.09.2015 | Moselle Open | Metz | ATP World Tour 250 | Hard (i) | A | 0 | 45 | Second round (withdrew before match against Philipp Kohlschreiber) |
| 05.10.2015–11.10.2015 | Japan Open | Tokyo | ATP World Tour 500 | Hard | 1R | 0 | 500 | Winner (def. Benoît Paire, 6–4, 6–4) |
| 12.10.2015–18.10.2015 | Shanghai Masters | Shanghai | ATP Masters 1000 | Hard | 2R | 45 | 180 | Quarterfinals (lost to Rafael Nadal, 2–6, 1–6) |
| 24.10.2015–01.11.2015 | Swiss Indoors | Basel | ATP World Tour 500 | Hard (i) | 1R | 0 | 0 | First round (lost to Ivo Karlović, 6–3, 6–7$^{(2–7)}$, 4–6) |
| 02.11.2015–08.11.2015 | Paris Masters | Paris | ATP Masters 1000 | Hard (i) | 3R | 90 | 360 | Semifinals (lost to Novak Djokovic, 3–6, 6–3, 0–6) |
| 15.11.2015–22.11.2015 | ATP World Tour Finals | London | ATP World Tour Finals | Hard (i) | SF | 400 | 400 | Semifinals (lost to Roger Federer, 7–5, 6–3) |
| Total year-end points | Total year-end points | Total year-end points | Total year-end points | Total year-end points | Total year-end points | 5370 | 6900 | 1530 difference |

## Yearly records
### Head-to-head matchups

Stan Wawrinka had a 55–18 match win–loss record in the 2015 season. His record against players who were part of the ATP rankings Top Ten at the time of their meetings was 9–8. Bold indicates player was ranked top 10 at time of meeting. The following list is ordered by number of wins:
* Gilles Müller 3–0
* Borna Ćorić 2–0
* Marsel İlhan 2–0
* Guillermo García López 2–0
* David Goffin 2–0
* Juan Mónaco 2–0
* Benoît Paire 2–0
* João Sousa 2–0
* Viktor Troicki 2–0
* Rafael Nadal 2–2
* Thiemo de Bakker 1–0
* Aljaž Bedene 1–0
* Ruben Bemelmans 1–0
* Tomáš Berdych 1–0
* Carlos Berlocq 1–0
* Dustin Brown 1–0
* Marin Čilić 1–0
* Marius Copil 1–0
* David Ferrer 1–0
* Chung Hyeon 1–0
* Jesse Huta Galung 1–0
* Steve Johnson 1–0
* Austin Krajicek 1–0
* Tatsuma Ito 1–0
* Dušan Lajović 1–0
* Andy Murray 1–0
* Jarkko Nieminen 1–0
* Kei Nishikori 1–0
* Albert Ramos 1–0
* Milos Raonic 1–0
* Lukáš Rosol 1–0
* Gilles Simon 1–0
* Radek Štěpánek 1–0
* Bernard Tomić 1–0
* Dominic Thiem 1–0
* Jo-Wilfried Tsonga 1–0
* Víctor Estrella Burgos 1–0
* Fernando Verdasco 1–0
* Donald Young 1–0
* Kevin Anderson 1–1
* Ivo Karlović 1–1
* Nick Kyrgios 1–1
* Novak Djokovic 1–3
* Roger Federer 1–3
* Richard Gasquet 0–1
* Federico Delbonis 0–1
* Robin Haase 0–1
* Adrian Mannarino 0–1
* Sergiy Stakhovsky 0–1
* Grigor Dimitrov 0–2

### Finals
#### Singles: 4 (4–0)

* Category
* Grand Slam (1–0)
* ATP World Tour Finals (0–0)
* ATP World Tour Masters 1000 (0–0)
* ATP World Tour 500 (2–0)
* ATP World Tour 250 (1–0)
* Titles by surface
* Hard (3–0)
* Clay (1–0)
* Grass (0–0)
* Titles by conditions
* Outdoors (3–0)
* Indoors (1–0)
| Outcome | No. | Date | Championship | Surface | Opponent | Score |
| Winner | 8. | 11 January 2015 | Chennai Open, Chennai, India (3) | Hard | Aljaž Bedene | 7–5, 6–2 |
| Winner | 9. | 26 February 2015 | Rotterdam Open, Rotterdam, Netherlands | Hard (i) | Tomáš Berdych | 4–6, 6–3, 6–4 |
| Winner | 10. | 7 June 2015 | French Open, Paris, France | Clay | Novak Djokovic | 4–6, 6–4, 6–3, 6–4 |
| Winner | 11. | 11 October 2015 | Japan Open, Tokyo, Japan | Hard | Benoît Paire | 6–2, 6–4 |

### Earnings

| Event | Prize money | Year-to-date |
| Aircel Chennai Open | $75,215 | $75,215 |
| Australian Open | A$650,000 | $651,410 |
| ABN AMRO World Tennis Tournament | $358,540 | $1,009,950 |
| Open 13 | $16,730 | $1,026,680 |
| Indian Wells Masters | $22,290 | $1,048,970 |
| Miami Masters | $31,670 | $1,080,640 |
| Monte-Carlo Masters | €53,190 | $1,124,014 |
| Madrid Open | €52,090 | $1,182,355 |
| Italian Open | €155,000 | $1,355,887 |
| Geneva Open | €12,990 | $1,390,749 |
| French Open | €1,800,000 | $3,372,009 |
| Aegon Championships | €20,060 | $3,374,607 |
| Wimbledon Championships | £241,000 | $3,753,868 |
| Canadian Open | $23,540 | $3,777,409 |
| Cincinnati Masters | $105,980 | $3,883,389 |
| US Open | $805,000 | $4,674,123 |
| Moselle Open | $12,990 | $4,688,796 |
| Japan Open | $306,200 | $4,994,995 |
| Shanghai Masters | $114,645 | $5,109,640 |
| Swiss Indoors | €11,035 | $5,121,797 |
| Paris Masters | €161,320 | $5,299,265 |
| ATP World Tour Finals | $501,000 | $6,510,265 |
| | | $6,510,265 |
Figures in United States dollars (USD) unless noted.