2021 ATP Tour

The 2021 ATP Tour was the global elite men's professional tennis circuit organised by the Association of Tennis Professionals for the 2021 tennis season. The 2021 ATP Tour calendar comprised the Grand Slam tournaments, the ATP Finals, the ATP Masters 1000, the ATP Cup, the ATP 500 series and the ATP 250 series. Also included in the 2021 calendar were the Davis Cup, the 2020 Summer Olympics|Summer Olympics] in Tokyo, Next Gen ATP Finals, Laver Cup, none of which distributed ranking points. During this year also, several tournaments were cancelled or postponed due to the COVID-19 pandemic on both the ATP and WTA tours, thus making the season still pandemic-affected.

Schedule

This is the complete schedule of events on the 2021 calendar.

Grand Slam

Team events

August

Affected tournaments

The COVID-19 pandemic affected tournaments on both the ATP and WTA tours. The following tournaments were cancelled or postponed due to the COVID-19 pandemic.

Week of	Tournament	Status
4 Jan	ATP Cup Brisbane, Perth, Sydney, Australia Hard – 24 teams	Postponed to 1 February, reduced to 12 teams, and moved to Melbourne
4 Jan	Qatar Open Doha, Qatar ATP 250 Hard	Postponed to 8 March
11 Jan	Auckland Open Auckland, New Zealand ATP 250 Hard	Cancelled
11 Jan	Adelaide International Adelaide, Australia ATP 250 Hard	Postponed to 1 February and moved to Melbourne
18 Jan 25 Jan	Australian Open Melbourne, Australia Grand Slam Hard	Postponed to 8 February
1 Feb	Maharashtra Open Pune, India ATP 250 Hard	Cancelled
1 Feb	Córdoba Open Córdoba, Argentina ATP 250 Clay	Postponed to 22 February
1 Feb	Open Sud de France Montpellier, France ATP 250 Hard	Postponed to 22 February
8 Feb	Rotterdam Open Rotterdam, Netherlands ATP 500 Hard	Postponed to 1 March
8 Feb	Argentina Open Buenos Aires, Argentina ATP 250 Clay	Postponed to 1 March
15 Feb	Rio Open Rio de Janeiro, Brazil ATP 500 Clay	Cancelled
8 Mar 15 Mar	Indian Wells Open Indian Wells, United States ATP Masters 1000 Hard	Postponed to 4 October
5 Apr	U.S. Men's Clay Court Championships Houston, United States ATP 250 Clay	Cancelled
5 Apr	Grand Prix Hassan II Marrakesh, Morocco ATP 250 Clay	Cancelled
24 May	French Open Paris, France Grand Slam Clay	Postponed to 31 May
7 Jun	Rosmalen Grass Court Championships 's-Hertogenbosch, Netherlands ATP 250 Grass	Cancelled
27 Sep	Chengdu Open Chengdu, China ATP 250 Hard	Cancelled
27 Sep	Zhuhai Championships Zhuhai, China ATP 250 Hard	Cancelled
4 Oct	China Open Beijing, China ATP 500 Hard	Cancelled
4 Oct	Japan Open Tokyo, Japan ATP 500 Hard	Cancelled
11 Oct	Shanghai Masters Shanghai, China ATP Masters 1000 Hard	Cancelled
25 Oct	Swiss Indoors Basel, Switzerland ATP 500 Hard	Cancelled

Statistical information

These tables present the number of singles, doubles, and doubles (tennis)|mixed doubles] titles won by each player and each nation during the season, within all the tournament categories of the 2021 ATP Tour: the Grand Slam tournaments, the ATP Finals, the ATP Masters 1000, the ATP 500 series, and the ATP 250 series. The players/nations are sorted by:

Total number of titles ;
Cumulated importance of those titles ;
A singles > doubles > mixed doubles hierarchy;
Alphabetical order.

Grand Slam

Summer Olympics

ATP Finals

ATP 500

ATP 250

Titles information

The following players won their first main circuit title in singles, doubles or mixed doubles:
;Singles

;Doubles

;Mixed Doubles

Joe Salisbury – French Open
Neal Skupski – Wimbledon Championships|Wimbledon]
– 2020 Summer Olympics '

The following players defended a main circuit title in singles, doubles, or mixed doubles:
;Singles

Novak Djokovic – Australian Open , Wimbledon
Jannik Sinner – Sofia '

;Doubles

Best ranking

The following players achieved their career high ranking in this season inside top 50 :
;Singles

;Doubles

ATP ranking

These are the ATP rankings and yearly ATP race rankings of the top 20 singles players, doubles players and doubles teams at the current date of the 2021 season.

Point distribution

''Points are awarded as follows:''

Retirements

The following is a list of notable players who announced their retirement from professional tennis, became inactive, or were permanently banned from playing, during the 2021 season:Alexandr Dolgopolov joined the professional tour in 2006 and reached a career-high ranking of No. 13 in singles and No. 42 in doubles, both in January 2012. He won three titles in singles and one title in doubles, as well as reaching one Grand Slam quarterfinal in singles. Having been inactive since his wrist injury in 2018 including his attempted comeback which was slated in 2020, Dolgopolov announced his retirement from the ATP Tour in May 2021.Jared Donaldson joined the professional tour in 2014 and with a career-high ranking of No. 48 in singles in March 2018. He announced his retirement in December 2021 due to surgeries in the last two years and decided to start his collegiate education.Guillermo García López joined the professional tour in 2002 and reached a career-high ranking of No. 23 in singles in February 2011 and No. 27 in doubles in May 2017. He won five titles in singles and played for the Spanish Davis Cup team. In doubles, he won three titles, reached the final of the 2016 US Open and the semifinals of the 2017 Australian Open. In January 2021, he announced that he would retire after the 2021 season.Martin Kližan joined the professional tour in 2007 and reached a career-high ranking of No. 24 in singles in April 2015 and No. 73 in doubles in May 2015. He won six titles in singles and four titles in doubles. He also won the 2006 Junior French Open and achieved world No. 1 on the junior circuit in January 2007. He won two of his titles at ATP 500 level and recorded four victories over top-10 players with his most notable being against Rafael Nadal at Beijing 2014 who was ranked No. 2 in the world at the time. He played his last match at 2021 Wimbledon qualifying where he lost in the first round to Zdeněk Kolář. He announced his retirement in August.Julian Knowle , former World No. 6 in doubles, won 19 doubles titles.Robert Lindstedt , former World No. 3 in doubles, won 23 doubles titles. His last ATP tournament in his career was the 2021 Stockholm Open.Paolo Lorenzi joined the professional tour in 1999 and reached a career-high ranking of No. 33 in singles in May 2017 and No. 82 in doubles in January 2018. He won one title in singles and one in doubles. He won 21 ATP Challenger Tour titles. He was part of the Italian Davis Cup team. Lorenzi announced the 2021 US Open would be his last professional tournament, and he lost to Maxime Janvier in the second qualifying round.Lu Yen-hsun joined the professional tour in 2001 and reached a career-high ranking of No. 33 in singles in November 2010 and No. 86 in doubles in January 2005. In singles, he won 29 challenger titles, the most anyone has won, and reached the Quarterfinals in the 2010 Wimbledon Championships. Lu announced in June that Wimbledon and the Tokyo Olympics would be his last tournaments on the tour.Leonardo Mayer joined the professional tour in 2003 and reached a career-high ranking of No. 21 in singles in June 2015 and No. 48 in doubles in January 2019. He won two titles in singles, both times at the German Open. Mayer retired from tennis in October 2021.Jürgen Melzer joined the professional tour in 1999 and reached a career-high ranking of No. 8 in singles in April 2011 and No. 6 in doubles in November 2010. He won five titles in singles and reached the semifinals of the 2010 French Open. In doubles, he won 17 titles, including the 2010 Wimbledon Championships and the 2011 US Open. Melzer retired from singles in October 2018, but continued to play doubles competitions on the ATP Tour afterwards. In October 2020, he announced that the 2021 Australian Open would be his last professional tournament. However, he did not play the Australian Open due to the COVID-19 quarantine measures and instead played at the French Open, Wimbledon and the US Open. He played his final tournament on the ATP Tour at the Vienna Open, where he partnered Alexander Zverev.Viktor Troicki joined the professional tour in 2006 and reached a career-high ranking of 12 in singles in June 2011 and 49 in doubles in October 2010. He won three titles in singles and 2 in doubles. In team competitions, he was part of the Serbia Davis Cup team who won the Davis Cup in 2010, as well as part of the Serbian team who won the inaugural ATP Cup in 2020. Troicki announced on 17 June 2021 that Wimbledon would be his last professional tournament.Luca Vanni joined the professional tour in 2006 and reached a career-high ranking of No. 100 in singles in May 2015.

Comebacks

The following is a list of notable players who returned from retirement during the 2021 season:

'''Xavier Malisse'''