# Duan Yingying

Duan Yingying (Chinese: 段莹莹; born 3 July 1989) is a former Chinese tennis player.
In her career, she won one singles title and three doubles titles on the WTA Tour, and two WTA Challenger doubles titles, as well as eleven singles and three doubles titles on the ITF Women's Circuit. Her nickname is lightning for her amazing forehand.
On 24 April 2017, she reached her career-high singles ranking of world No. 60. On 3 February 2020, she peaked at No. 16 in the doubles rankings.

## Career
### 2012

Starting the year as the No. 378 in the world, Duan's ranking would improve significantly to No. 128 by the year's end. Some of the highlights of her 2012 season included winning four ITF titles at the 25k level in Wellington, Changwon, Gimcheon and Goyang. Playing qualifying at the US Open, Duan had her first experience in a Grand Slam tournament. She would win her first qualifying round defeating Réka Luca Jani, but would fall in the next round to Kirsten Flipkens. She received a wild card to the Guangzhou International and won her first WTA Tour main-draw match defeating Luksika Khumkum in the first round. Duan also achieved her best results in ITF events near the end of 2012, reaching the semifinals of 100k+H Ningbo and the finals of 100k Suzhou, losing both matches to top-100 veteran Hsieh Su-wei.

### 2013: Major debut

Duan was due to make her main-draw Grand Slam singles debut at Wimbledon, but withdrew to compete in the National Games of China. She made her Grand Slam singles debut in the main draw of the US Open, after winning three qualifying matches. She lost to sixth seed Caroline Wozniacki in the opening round. During the televised commentary of her match against Wozniacki, the commentators compared Duan's game to that of former world No. 1, Lindsay Davenport. They also began referring to her by the nickname of Duan-venport (段文波特) on the Chinese internet.

### 2015: First major singles win

At Wimbledon, as a qualifier, Duan defeated 2014 finalist Eugenie Bouchard in straight sets in the first round. This was considered one of the biggest upsets of the tournament. In the second round, Duan lost to Tatjana Maria in a long three-set match.

### 2016: First WTA Tour title

In July, she won her first WTA Tour title at the Jiangxi International Open, defeating Vania King in the final.

### 2017: Elite Trophy doubles title

In the first-round match at the Shenzhen Open, Duan wasted three match points and eventually lost to first seed and world No. 3, Agnieszka Radwańska. At the Australian Open, she had her best Grand Slam performance to date by defeating Rebecca Šramková and Varvara Lepchenko to reach the third round, where she lost to former world No. 1 and eventual finalist, Venus Williams, by 1–6, 0–6.
Duan won her first ever WTA Tour doubles title at the Elite Trophy with Han Xinyun.

### 2018: Second doubles title

Duan won her second doubles title at the Taiwan Open, playing with Wang Yafan.

### 2019: French Open finalist, Wuhan doubles title

Duan and Zheng Saisai reached the final of the French Open, losing to Tímea Babos and Kristina Mladenovic.
In September, they reached the quarterfinals of the US Open, however, they were beaten by the eventual champions Elise Mertens and Aryna Sabalenka. The following week, with Zheng unavailable, she partnered with Veronika Kudermetova for the first time to win the doubles title at the Wuhan Open, beating Mertens and Sabalenka in the final.

### 2021: Olympics participation

She partnered Zheng Saisai at the delayed Tokyo Olympics. They lost in the first round.

## Grand Slam performance timelines

Key :
| W | F | SF | QF | #R | RR | Q# | P# | DNQ | A | Z# | PO | G | S | B | NMS | NTI | P | NH |

### Singles

| Tournament | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | W–L |
| Australian Open | A | A | 1R | 1R | Q2 | 3R | 2R | Q1 | 3–4 |
| French Open | A | A | A | Q1 | A | 1R | 1R | A | 0–2 |
| Wimbledon | A | A | A | 2R | 2R | 1R | Q2 | A | 2–3 |
| US Open | Q2 | 1R | 1R | Q2 | 2R | 2R | A | A | 2–4 |
| Win–loss | 0–0 | 0–1 | 0–2 | 1–2 | 2–2 | 3–4 | 1–2 | 0–0 | 7–13 |

### Doubles

| Tournament | 2017 | 2018 | 2019 | 2020 | 2021 | W–L |
| Australian Open | A | A | 1R | 1R | 1R | 0–3 |
| French Open | 3R | 3R | F | A | A | 9–3 |
| Wimbledon | 1R | 1R | 3R | NH | A | 2–3 |
| US Open | A | 2R | QF | A | A | 4–2 |
| Win–loss | 2–2 | 3–3 | 10–4 | 0–1 | 0–1 | 15–11 |

## Grand Slam tournament finals
### Doubles: 1 (runner-up)

| Result | Year | Tournament | Surface | Partner | Opponents | Score |
| Loss | 2019 | French Open | Clay | Zheng Saisai | Tímea Babos Kristina Mladenovic | 2–6, 3–6 |

## Other significant finals
### Premier Mandatory and Premier 5 tournaments
#### Doubles: 1 (title)

| Result | Year | Tournament | Surface | Partner | Opponents | Score |
| Win | 2019 | Wuhan Open | Hard | Veronika Kudermetova | Elise Mertens Aryna Sabalenka | 7–6$^{(7–3)}$, 6–2 |

### WTA Elite Trophy
#### Doubles: 2 (1 title, 1 runner–up)

| Result | Year | Tournament | Surface | Partner | Opponents | Score |
| Win | 2017 | WTA Elite Trophy, Zhuhai | Hard (i) | Han Xinyun | Zhang Shuai Lu Jingjing | 6–2, 6–1 |
| Loss | 2019 | WTA Elite Trophy, Zhuhai | Hard (i) | Yang Zhaoxuan | Lyudmyla Kichenok Andreja Klepač | 3–6, 3–6 |

## WTA Tour finals
### Singles: 1 (title)

* Legend
* Grand Slam tournaments
* Premier M & Premier 5
* Premier
* International (1–0)
* Finals by surface
* Hard (1–0)
* Grass (0–0)
* Clay (0–0)
* Carpet (0–0)
| Result | Date | Tournament | Tier | Surface | Opponent | Score |
| Win | Aug 2016 | Jiangxi International Open, China | International | Hard | Vania King | 1–6, 6–4, 6–2 |

### Doubles: 8 (3 titles, 5 runner-ups)

* Legend
* Grand Slam (0–1)
* WTA Elite Trophy (1–1)
* Premier M & Premier 5 (1–0)
* International (1–3)
* Finals by surface
* Hard (3–3)
* Clay (0–2)
* Grass (0–0)
* Carpet (0–0)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Win | 1–0 | Nov 2017 | Zhuhai, China | Elite Trophy | Hard (i) | Han Xinyun | Lu Jingjing Zhang Shuai | 6–2, 6–1 |
| Win | 2–0 | Feb 2018 | Taipei Open, Taiwan | International | Hard (i) | Wang Yafan | Nao Hibino Oksana Kalashnikova | 7–6$^{(7–4)}$, 7–6$^{(7–5)}$ |
| Loss | 2–1 | Jan 2019 | Shenzhen Open, China | International | Hard | Renata Voráčová | Peng Shuai Yang Zhaoxuan | 4–6, 3–6 |
| Loss | 2–2 | May 2019 | Internationaux de Strasbourg, France | International | Clay | Han Xinyun | Daria Gavrilova Ellen Perez | 4–6, 3–6 |
| Loss | 2–3 | Jun 2019 | French Open | Grand Slam | Clay | Zheng Saisai | Tímea Babos Kristina Mladenovic | 2–6, 3–6 |
| Win | 3–3 | Sep 2019 | Wuhan Open, China | Premier 5 | Hard | Veronika Kudermetova | Elise Mertens Aryna Sabalenka | 7–6$^{(7–3)}$, 6–2 |
| Loss | 3–4 | Oct 2019 | Zhuhai, China | Elite Trophy | Hard (i) | Yang Zhaoxuan | Lyudmyla Kichenok Andreja Klepač | 3–6, 3–6 |
| Loss | 3–5 | Jan 2020 | Shenzhen Open, China | International | Hard | Zheng Saisai | Barbora Krejčíková Kateřina Siniaková | 2–6, 6–3, [4–10] |

## WTA Challenger finals
### Singles: 1 (runner-up)

| Result | W–L | Date | Tournament | Surface | Opponent | Score |
| Loss | 0–1 | Sep 2014 | Suzhou Ladies Open, China | Hard | Anna-Lena Friedsam | 1–6, 3–6 |

### Doubles: 3 (2 titles, 1 runner-up)

| Result | W–L | Date | Tournament | Surface | Partner | Opponents | Score |
| Win | 1–0 | Nov 2017 | Hua Hin Challenger, Thailand | Hard | Wang Yafan | Dalila Jakupović Irina Khromacheva | 6–3, 6–3 |
| Win | 2–0 | Apr 2018 | Zhengzhou Open, China | Hard | Wang Yafan | Naomi Broady Yanina Wickmayer | 7–6$^{(5)}$, 6–3 |
| Loss | 2–1 | Apr 2019 | Kunming Open, China | Clay | Han Xinyun | Peng Shuai Yang Zhaoxuan | 5–7, 2–6 |

## ITF Circuit finals

* Legend
* $100,000 tournaments
* $80,000 tournaments
* $50/60,000 tournaments
* $25,000 tournaments
* $10,000 tournaments

### Singles: 19 (11 titles, 8 runner–ups)

| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Win | 1–0 | Feb 2009 | ITF Jiangmen, China | 10,000 | Hard | Xie Yanze | 6–2, 6–4 |
| Win | 2–0 | May 2009 | ITF New Delhi, India | 10,000 | Hard | Keren Shlomo | 6–3, 6–4 |
| Loss | 2–1 | Jun 2009 | ITF Xiamen, China | 25,000 | Hard | Zhang Shuai | 2–6, 1–6 |
| Win | 3–1 | Mar 2010 | ITF Nanjing, China | 10,000 | Hard | Liu Wanting | 6–4, 7–6$^{(6)}$ |
| Win | 4–1 | Jun 2010 | ITF Hefei, China | 10,000 | Hard | Zheng Saisai | 6–3, 6–4 |
| Loss | 4–2 | Aug 2010 | ITF Saitama, Japan | 10,000 | Hard | Hsu Wen-hsin | 1–6, 6–1, 3–6 |
| Loss | 4–3 | Aug 2011 | ITF Saitama, Japan | 10,000 | Hard | Ayumi Oka | 3–6, 4–6 |
| Win | 5–3 | Feb 2012 | ITF Wellington, New Zealand | 25,000 | Hard | Sandra Zaniewska | 6–1, 6–4 |
| Win | 6–3 | May 2012 | ITF Changwon, Korea | 25,000 | Hard | Zhang Ling | 6–4, 6–3 |
| Win | 7–3 | May 2012 | ITF Gimcheon, Korea | 25,000 | Hard | Chanel Simmonds | 6–2, 6–1 |
| Win | 8–3 | Jun 2012 | ITF Goyang, Korea | 25,000 | Hard | Zhang Ling | 6–3, 6–3 |
| Loss | 8–4 | Jul 2012 | ITF Evansville, United States | 10,000 | Hard | Mallory Burdette | 1–6, 2–6 |
| Loss | 8–5 | Oct 2012 | Suzhou Ladies Open, China | 100,000 | Hard | Hsieh Su-wei | 2–6, 2–6 |
| Win | 9–5 | May 2013 | ITF Goyang, Korea (2) | 25,000 | Hard | Liu Fangzhou | 6–3, 6–4 |
| Win | 10–5 | Jun 2014 | ITF Xi'an, China | 50,000 | Hard | Zhu Lin | 4–6, 7–6$^{(9)}$, 6–4 |
| Win | 11–5 | Jul 2015 | ITF Tianjin, China | 25,000 | Hard | Wang Qiang | 4–6, 7–6$^{(2)}$, 3–0 ret. |
| Loss | 11–6 | Jul 2015 | ITF Zhengzhou, China | 25,000 | Hard | Wang Yafan | 4–6, 4–6 |
| Loss | 11–7 | Oct 2015 | Suzhou Ladies Open, China | 50,000 | Hard | Zhang Kailin | 6–1, 3–6, 4–6 |
| Loss | 11–8 | May 2019 | Jin'an Open, China | 60,000 | Hard | Han Xinyun | 4–6, 3–6 |

### Doubles: 6 (3 titles, 3 runner–ups)

| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Loss | 0–1 | May 2008 | ITF Khon Kaen, Thailand | 10,000 | Hard | Chen Hui | Kim Sun-jung Lee Cho-won | 4–6, 6–4, [4–10] |
| Loss | 0–2 | Feb 2012 | ITF Sydney, Australia | 25,000 | Hard | Han Xinyun | Arina Rodionova Melanie South | 6–3, 3–6, [8–10] |
| Win | 1–2 | Jul 2012 | ITF Evansville, United States | 10,000 | Hard | Xu Yifan | Mallory Burdette Natalie Pluskota | 6–2, 6–3 |
| Loss | 1–3 | Jul 2016 | ITF Wuhan, China | 50,000 | Hard | Chang Kai-chen | Shuko Aoyama Makoto Ninomiya | 4–6, 4–6 |
| Win | 2–3 | May 2019 | Kangaroo Cup Gifu, Japan | 80,000 | Hard | Han Xinyun | Akiko Omae Peangtarn Plipuech | 6–3, 4–6, [10–4] |
| Win | 3–3 | Jun 2019 | Manchester Trophy, UK | 100,000 | Grass | Zhu Lin | Robin Anderson Laura Ioana Paar | 6–4, 6–3 |