# 2021 ATP Cup

The 2021 ATP Cup was the second edition of the ATP Cup, an international outdoor hard court men's team tennis tournament held by the Association of Tennis Professionals (ATP). It was held with 12 teams at Melbourne Park in Australia, from 2 to 7 February 2021.
It was originally supposed to take place with 24 teams in Brisbane, Perth and Sydney from 1 to 10 January 2021, but was changed due to the impact of the COVID-19 pandemic.
Following a case of COVID-19 in the tournament's quarantine hotel, all matches scheduled for 4 February have been suspended.
Team Serbia was the defending champion, but got eliminated in the group stage. Team Russia won the tournament, defeating Italy 2–0 in the final.

## ATP ranking points

| Type | Player ranked | Round | Points per win vs. opponent ranked | Points per win vs. opponent ranked | Points per win vs. opponent ranked | Points per win vs. opponent ranked | Points per win vs. opponent ranked | Points per win vs. opponent ranked | Points per win vs. opponent ranked |
| Type | Player ranked | Round | No. 1–10 | No. 11–20 | No. 21–30 | No. 31–50 | No. 51–100 | No. 101–250 | No. 251+ |
| Singles | No. 1–250 | Final | 220 | 180 | 140 | 100 | 75 | 45 | 30 |
| Singles | No. 1–250 | Semifinals | 150 | 130 | 100 | 70 | 45 | 30 | 20 |
| Singles | No. 1–250 | Group stage | 75 | 65 | 50 | 35 | 25 | 20 | 15 |
| Singles | No. 251+ | Final | 55 | 55 | 55 | 55 | 55 | 45 | 30 |
| Singles | No. 251+ | Semifinals | 45 | 45 | 45 | 45 | 45 | 30 | 20 |
| Singles | No. 251+ | Group stage | 25 | 25 | 25 | 25 | 25 | 15 | 10 |
| Doubles | Any | Final | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Doubles | Any | Semifinals | 75 | 75 | 75 | 75 | 75 | 75 | 75 |
| Doubles | Any | Group stage | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
* Maximum 500 points for undefeated singles player, 250 points for doubles.

## Entries

11 countries qualified based on the ATP ranking of its highest-ranked singles player on 4 January 2021, and their commitment to play at the event. Host country Australia received a wild card. Switzerland withdrew after world number 5 Roger Federer was ruled unfit to compete at the event due to a knee injury.
| # | Nation | No. 1 player | Rank | No. 2 player | Rank | No. 3 player | No. 4 player | Captain |
| 1 | Serbia | Novak Djokovic | 1 | Dušan Lajović | 26 | Filip Krajinović | Nikola Ćaćić | Viktor Troicki |
| 2 | Spain | Rafael Nadal | 2 | Roberto Bautista Agut | 13 | Pablo Carreño Busta | Marcel Granollers | Pepe Vendrell |
| 3 | Austria | Dominic Thiem | 3 | Dennis Novak | 100 | Philipp Oswald | Tristan-Samuel Weissborn | Wolfgang Thiem |
| 4 | Russia | Daniil Medvedev | 4 | Andrey Rublev | 8 | Aslan Karatsev | Evgeny Donskoy | Evgeny Donskoy |
| 5 | Greece | Stefanos Tsitsipas | 6 | Michail Pervolarakis | 462 | Markos Kalovelonis | Petros Tsitsipas | Apostolos Tsitsipas |
| 6 | Germany | Alexander Zverev | 7 | Jan-Lennard Struff | 37 | Kevin Krawietz | Andreas Mies | Mischa Zverev |
| 7 | Argentina | Diego Schwartzman | 9 | Guido Pella | 44 | Horacio Zeballos | Máximo González | Diego Schwartzman |
| 8 | Italy | Matteo Berrettini | 10 | Fabio Fognini | 17 | Simone Bolelli | Andrea Vavassori | Vincenzo Santopadre |
| 9 | Japan | Kei Nishikori | 10 (PR) | Yoshihito Nishioka | 57 | Ben McLachlan | Toshihide Matsui | Max Mirnyi |
| 10 | France | Gaël Monfils | 11 | Benoît Paire | 28 | Nicolas Mahut | Édouard Roger-Vasselin | Richard Ruckelshausen |
| 11 | Canada | Denis Shapovalov | 12 | Milos Raonic | 14 | Steven Diez | Peter Polansky | Peter Polansky |
| 12 (WC) | Australia | Alex de Minaur | 23 | John Millman | 38 | John Peers | Luke Saville | Lleyton Hewitt |
* Rankings are as of 1 February 2021.

## Group stage

The 12 teams were divided into four groups of three teams each in a round-robin format. The winners of each group will qualify for the semifinals.
* Qualified for the knockout stage
* Eliminated

### Overview

T = Ties, M = Matches, S = Sets
| Group | First place | First place | First place | First place | Second place | Second place | Second place | Second place | Third place | Third place | Third place | Third place |
| Group | Nation | T | M | S | Nation | T | M | S | Nation | T | M | S |
| A | Germany | 2–0 | 4–2 | 10–7 | Serbia | 1–1 | 3–3 | 8–7 | Canada | 0–2 | 2–4 | 5–9 |
| B | Spain | 1–1 | 4–2 | 8–3 | Greece | 1–1 | 3–3 | 5–6 | Australia | 1–1 | 2–4 | 5–9 |
| C | Italy | 2–0 | 4–2 | 8–4 | France | 1–1 | 3–3 | 6–4 | Austria | 0–2 | 2–4 | 2–8 |
| D | Russia | 2–0 | 4–2 | 9–4 | Argentina | 1–1 | 4–2 | 8–5 | Japan | 0–2 | 1–5 | 3–11 |

### Group A

| Pos. | Country | Ties | Matches | Sets | S % | Games | G % |
| 1 | Germany | 2–0 | 4–2 | 10–7 | 58.8 | 88–87 | 50.3 |
| 2 | Serbia | 1–1 | 3–3 | 8–7 | 53.3 | 80–75 | 51.6 |
| 3 | Canada | 0–2 | 2–4 | 5–9 | 35.7 | 75–81 | 48.1 |

#### Serbia vs. Canada

| Serbia 2 | 2 February 2021 | 2 February 2021 | Canada 1 |
| 1 2 3 1 Dušan Lajović Milos Raonic 3 6 4 6     2 Novak Djokovic Denis Shapovalov 7 5 7 5     3 Novak Djokovic / Filip Krajinović Milos Raonic / Denis Shapovalov 7 5 7$^7$ 6$^4$ ||||

#### Germany vs. Canada

| Germany 2 | 3 February 2021 | 3 February 2021 | Canada 1 |
| 1 2 3 1 Jan-Lennard Struff Milos Raonic 7$^7$ 6$^4$ 7$^7$ 6$^2$     2 Alexander Zverev Denis Shapovalov 6$^5$ 7$^7$ 6 3 7$^7$ 6$^4$   3 Kevin Krawietz / Jan-Lennard Struff Steven Diez / Peter Polansky 6$^4$ 7$^7$ 7$^8$ 6$^6$ [3] [10] ||||

#### Serbia vs. Germany

| Serbia 1 | 5 February 2021 | 5 February 2021 | Germany 2 |
| 1 2 3 1 Dušan Lajović Jan-Lennard Struff 6 3 3 6 4 6   2 Novak Djokovic Alexander Zverev 6$^3$ 7$^7$ 6 2 7 5   3 Nikola Ćaćić / Novak Djokovic Jan-Lennard Struff / Alexander Zverev 6$^4$ 7$^7$ 7 5 [7] [10] ||||

### Group B

| Pos. | Country | Ties | Matches | Sets | S % | Games | G % |
| 1 | Spain | 1–1 | 4–2 | 8–3 | 72.7 | 63–50 | 55.8 |
| 2 | Greece | 1–1 | 3–3 | 5–6 | 45.5 | 48–53 | 47.5 |
| 3 | Australia | 1–1 | 2–4 | 5–9 | 35.7 | 60–68 | 46.9 |

#### Spain vs. Australia

| Spain 3 | 2 February 2021 | 2 February 2021 | Australia 0 |
| 1 2 3 1 Pablo Carreño Busta John Millman 6 2 6 4     2 Roberto Bautista Agut Alex de Minaur 4 6 6 4 6 4   3 Pablo Carreño Busta / Marcel Granollers John Peers / Luke Saville 6 4 7 5 ||||

#### Greece vs. Australia

| Greece 1 | 3 February 2021 | 3 February 2021 | Australia 2 |
| 1 2 3 1 Michail Pervolarakis John Millman 2 6 3 6     2 Stefanos Tsitsipas Alex de Minaur 6 3 7 5     3 Michail Pervolarakis / Stefanos Tsitsipas John Peers / Luke Saville 3 6 6 4 [5] [10] ||||

#### Spain vs. Greece

| Spain 1 | 5 February 2021 | 5 February 2021 | Greece 2 |
| 1 2 3 1 Pablo Carreño Busta Michail Pervolarakis 6 3 6 4     2 Roberto Bautista Agut Stefanos Tsitsipas 5 7 5 7     3 Pablo Carreño Busta / Marcel Granollers Markos Kalovelonis / Stefanos Tsitsipas 0 1     retired ||||
Note: By ATP Cup rules retired match is not counting into percentage of sets and games.

### Group C

| Pos. | Country | Ties | Matches | Sets | S % | Games | G % |
| 1 | Italy | 2–0 | 4–2 | 8–4 | 66.7 | 61–48 | 56.0 |
| 2 | France | 1–1 | 3–3 | 6–4 | 60.0 | 50–46 | 52.1 |
| 3 | Austria | 0–2 | 2–4 | 2–8 | 20.0 | 37–54 | 40.7 |

#### Austria vs. Italy

| Austria 1 | 2 February 2021 | 2 February 2021 | Italy 2 |
| 1 2 3 1 Dennis Novak Fabio Fognini 6 3 6 2     2 Dominic Thiem Matteo Berrettini 2 6 4 6     3 Dennis Novak / Dominic Thiem Matteo Berrettini / Fabio Fognini 1 6 4 6 ||||

#### Italy vs. France

| Italy 2 | 3 February 2021 | 3 February 2021 | France 1 |
| 1 2 3 1 Fabio Fognini Benoît Paire 6 1 7$^7$ 6$^2$     2 Matteo Berrettini Gaël Monfils 6 4 6 2     3 Simone Bolelli / Andrea Vavassori Nicolas Mahut / Édouard Roger-Vasselin 3 6 4 6 ||||

#### Austria vs. France

| Austria 1 | 5 February 2021 | 5 February 2021 | France 2 |
| 1 2 3 1 Dennis Novak Nicolas Mahut 6$^2$ 7$^7$ 2 6     2 Dominic Thiem Benoît Paire 6 1 0 0    retired 3 Philipp Oswald / Tristan-Samuel Weissborn Nicolas Mahut / Édouard Roger-Vasselin 3 6 3 6 ||||
Note: By ATP Cup rules retired match is not counting into percentage of sets and games.

### Group D

| Pos. | Country | Ties | Matches | Sets | S % | Games | G % |
| 1 | Russia | 2–0 | 4–2 | 9–4 | 69.2 | 68–45 | 60.2 |
| 2 | Argentina | 1–1 | 4–2 | 8–5 | 61.5 | 67–56 | 54.5 |
| 3 | Japan | 0–2 | 1–5 | 3–11 | 21.4 | 42–76 | 35.6 |

#### Russia vs. Argentina

| Russia 2 | 2 February 2021 | 2 February 2021 | Argentina 1 |
| 1 2 3 1 Andrey Rublev Guido Pella 6 1 6 2     2 Daniil Medvedev Diego Schwartzman 7 5 6 3     3 Aslan Karatsev / Andrey Rublev Máximo González / Horacio Zeballos 4 6 6$^4$ 7$^7$ ||||

#### Russia vs. Japan

| Russia 2 | 3 February 2021 | 3 February 2021 | Japan 1 |
| 1 2 3 1 Andrey Rublev Yoshihito Nishioka 6 1 6 3     2 Daniil Medvedev Kei Nishikori 6 2 6 4     3 Evgeny Donskoy / Aslan Karatsev Ben McLachlan / Yoshihito Nishioka 6 4 3 6 [10] [12] ||||

#### Argentina vs. Japan

| Argentina 3 | 6 February 2021 | 6 February 2021 | Japan 0 |
| 1 2 3 1 Guido Pella Yoshihito Nishioka 6 3 7$^7$ 6$^4$     2 Diego Schwartzman Kei Nishikori 6 1 6$^4$ 7$^7$ 6 0   3 Máximo González / Horacio Zeballos Toshihide Matsui / Ben McLachlan 6 2 6 2 ||||

## Knockout stage
### Bracket

| Semi-finals | Semi-finals | Semi-finals | Final | Final | Final |
| 6 | Germany | 1 | | | |
| 4 | Russia | 2 | | | |
| 4 | Russia | 2 | 4 | Russia | 2 |
| | | | 8 | Italy | 0 |
| 8 | Italy | 3 | 8 | Italy | 0 |
| 2 | Spain | 0 | | | |

### Semi-finals
#### Germany vs. Russia

| Germany 1 | 6 February 2021 | 6 February 2021 | Russia 2 |
| 1 2 3 1 Jan-Lennard Struff Andrey Rublev 6 3 1 6 2 6   2 Alexander Zverev Daniil Medvedev 6 3 3 6 5 7   3 Kevin Krawietz / Jan-Lennard Struff Evgeny Donskoy / Aslan Karatsev 6 3 7$^7$ 6$^2$ ||||

#### Italy vs. Spain

| Italy 3 | 6 February 2021 | 6 February 2021 | Spain 0 |
| 1 2 3 1 Fabio Fognini Pablo Carreño Busta 6 2 1 6 6 4   2 Matteo Berrettini Roberto Bautista Agut 6 3 7 5     3 Simone Bolelli / Andrea Vavassori Pablo Carreño Busta / Marcel Granollers       w/o ||||

### Final
#### Russia vs. Italy

| Russia 2 | 7 February 2021 | 7 February 2021 | Italy 0 |
| 1 2 3 1 Andrey Rublev Fabio Fognini 6 1 6 2     2 Daniil Medvedev Matteo Berrettini 6 4 6 2     3 Evgeny Donskoy / Aslan Karatsev Simone Bolelli / Andrea Vavassori       not played ||||