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 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 Semifinals 150 130 100 70 45 30 20 Group stage 75 65 50 35 25 20 15 No. 251+ Final 55 45 30 Semifinals 45 30 20 Group stage 25 15 10 Doubles Any Final 100 Semifinals 75 Group stage 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.

#NationNo. 1 playerRankNo. 2 playerRankNo. 3 playerNo. 4 playerCaptain 1 Novak Djokovic 1 Dušan Lajović 26 Filip Krajinović Nikola Ćaćić Viktor Troicki 2 Rafael Nadal 2 Roberto Bautista Agut 13 Pablo Carreño Busta Marcel Granollers Pepe Vendrell 3 Dominic Thiem 3 Dennis Novak 100 Philipp Oswald Tristan-Samuel Weissborn Wolfgang Thiem 4 Daniil Medvedev 4 Andrey Rublev 8 Aslan Karatsev Evgeny Donskoy Evgeny Donskoy 5 Stefanos Tsitsipas 6 Michail Pervolarakis 462 Markos Kalovelonis Petros Tsitsipas Apostolos Tsitsipas 6 Alexander Zverev 7 Jan-Lennard Struff 37 Kevin Krawietz Andreas Mies Mischa Zverev 7 Diego Schwartzman 9 Guido Pella 44 Horacio Zeballos Máximo González Diego Schwartzman 8 Matteo Berrettini 10 Fabio Fognini 17 Simone Bolelli Andrea Vavassori Vincenzo Santopadre 9 Kei Nishikori 10 () Yoshihito Nishioka 57 Ben McLachlan Toshihide Matsui Max Mirnyi 10 Gaël Monfils 11 Benoît Paire 28 Nicolas Mahut Édouard Roger-Vasselin Richard Ruckelshausen 11 Denis Shapovalov 12 Milos Raonic 14 Steven Diez Peter Polansky Peter Polansky 12 () Alex de Minaur 23 John Millman 38 John Peers Luke Saville Lleyton Hewitt

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 GroupFirst placeSecond placeThird placeNationTMSNationTMSNationTMSA 2–0 4–2 10–7 1–1 3–3 8–7 0–2 2–4 5–9B 1–1 4–2 8–3 1–1 3–3 5–6 1–1 2–4 5–9C 2–0 4–2 8–4 1–1 3–3 6–4 0–2 2–4 2–8D 2–0 4–2 9–4 1–1 4–2 8–5 0–2 1–5 3–11

Group A Pos.CountryTiesMatchesSetsS %Games G %12–04–210–758.888–8750.321–13–38–753.380–7551.630–22–45–935.775–8148.1

Serbia vs. Canada

Germany vs. Canada

Serbia vs. Germany

Group B Pos.CountryTiesMatchesSetsS %Games G %11–14–28–372.763–5055.821–13–35–645.548–5347.531–12–45–935.760–6846.9

Spain vs. Australia

Greece vs. Australia

Spain vs. Greece

Note: By ATP Cup rules retired match is not counting into percentage of sets and games.

Group C Pos.CountryTiesMatchesSetsS %Games G %12–04–28–466.761–4856.021–13–36–460.050–4652.130–22–42–820.037–5440.7

Austria vs. Italy

Italy vs. France

Austria vs. France

Note: By ATP Cup rules retired match is not counting into percentage of sets and games.

Group D Pos.CountryTiesMatchesSetsS %Games G %12–04–29–469.268–4560.221–14–28–561.567–5654.530–21–53–1121.442–7635.6

Russia vs. Argentina

Russia vs. Japan

Argentina vs. Japan

Knockout stage

Bracket

Semi-finals

Germany vs. Russia

Italy vs. Spain

Final

Russia vs. Italy

References

External links Official website Draw