The ATP Tour is the modern top-level men's professional tennis circuit. It was introduced in 1990 and it's administered by the Association of Tennis Professionals (ATP). All the records listed here are only for the players who played most of their careers on the ATP Tour and they're based on official ATP data. The names of active players appear in boldface. However, no boldface is used in lists exclusively for active players.
Adrian Mannarino is a French professional tennis player. He has a career-high ATP singles ranking of world No. 17, attained on 29 January 2024. He has won five ATP Tour singles titles, three on hardcourt and two on grass. He is currently the No. 4 French player.
The ATP 250 tournaments are the lowest tier of annual men's tennis tournaments on the main ATP Tour, after the four Grand Slam tournaments, ATP Finals, ATP Masters 1000 tournaments, and ATP 500 tournaments. As of 2024, the series includes 38 tournaments, with 250 ranking points awarded to each singles champion—which accounts for the name of the series. Draws consist of 28, 32, or 48 for singles and 16 for doubles. In 2025, the series includes only 30 tournaments after retirement of five tournaments and upgrades of three tournaments to the 500 level.
Mikhail Aleksandrovich Kukushkin is a Russian-born Kazakhstani professional tennis player. He has a career-high ATP singles ranking of world No. 39, achieved on 25 February 2019.
The ATP Masters events, known as ATP Masters 1000 tournaments since 2009, are an annual series of nine tennis tournaments featuring the top-ranked players on the ATP Tour since its inception in 1990. The Masters tournaments, sitting below the Grand Slam tournaments and the year-end championships, make up the most coveted trophies on the annual ATP Tour calendar. In addition to the quadrennial Summer Olympics, they are collectively known as the 'Big Titles'.
Nicolás Barrientos is a Colombian professional tennis player. Barrientos reached his highest ATP singles ranking of world No. 237 on 21 September 2015 and a doubles ranking of world No. 50 on 4 March 2024. He has won one ATP doubles title at the 2024 Rio Open with Rafael Matos. He competes mainly on the ATP Challenger Tour both in singles and doubles.
Yasutaka Uchiyama is a Japanese tennis player playing on the ATP Challenger Tour. He achieved a career-high ATP singles ranking of world No. 78 on 4 November 2019 and doubles ranking of No. 102 on 20 August 2018. He is currently the No. 3 Japanese player. He has won seven ATP Challenger and nine ITF Tour Futures singles titles.
Karen Abgarovich Khachanov is a Russian-Armenian professional tennis player. Khachanov has won seven ATP Tour singles titles, including a Masters 1000 title at the 2018 Paris Masters, has claimed an Olympic silver medal at the 2020 Tokyo Olympics, and has reached two Major semifinals at the 2022 US Open and 2023 Australian Open. He has also won one doubles Masters 1000 title at the 2023 Madrid Open partnering Andrey Rublev. He achieved his career-high singles ranking of world No. 8 on 15 July 2019. He also has a career high ranking of No. 53 in doubles achieved on 29 January 2024.
Yoshihito Nishioka is a Japanese professional tennis player. He has won three ATP Tour singles titles and achieved a career-high ATP singles ranking of world No. 24 on 19 June 2023. He is currently the No. 1 Japanese player.
Mitchell Krueger is an American tennis player. He has a career-high singles ranking by the ATP of world No. 135, achieved on 18 July 2022 and a doubles ranking of No. 173, achieved on 27 April 2015.
Gonzalo Escobar is an Ecuadorian tennis player. His career-high doubles ranking is World No. 38, achieved on 15 November 2021. He has won three ATP doubles titles with Uruguayan Ariel Behar and three with Kazakhstani Aleksandr Nedovyesov. Escobar also has a career high ATP singles ranking of No. 281 achieved on 15 June 2015.
Zhang Zhizhen is a Chinese professional tennis player. He reached a career-high ATP singles ranking of world No. 31 in July 2024 and a doubles ranking of No. 47 in July 2024. As of July 2023, he became the highest-ever ranked Chinese male tennis player. He is the current No. 1 Chinese player. He has won three singles and two doubles titles on the ATP Challenger, and two singles and two doubles titles on the ITF Futures Tour. He won a silver medal in mixed doubles alongside Wang Xinyu at the 2024 Summer Olympics.
Alex de Minaur is an Australian professional tennis player. He achieved a career-high ATP singles ranking of No. 6 on 15 July 2024 and a doubles ranking of No. 58 on 12 October 2020. He has won nine ATP Tour singles titles and one title in doubles.
The Next Generation ATP Finals is an annual men's professional exhibition tennis tournament organized by the Association of Tennis Professionals (ATP) for the best players of the season aged 20 years old or younger. The event debuted in 2017 at the PalaLido in Milan, where it was also staged for the next four editions, before it was moved to King Abdullah Sports City in Jeddah, beginning in 2023. From 2017 to 2023 the age threshold was 21 years and under.
Sebastian Korda is an American professional tennis player. He has a career-high ATP singles ranking of world No. 15 achieved on 12 August 2024 and a doubles ranking of No. 57 reached on 6 May 2024. He has won two ATP singles titles and one doubles title. He also won the junior title at the 2018 Australian Open, 20 years after his father Petr Korda won the Australian Open title.
Nathaniel Lammons is an American professional tennis player who specializes in doubles. He has a career-high ATP ranking of world No. 20 in doubles, achieved on 9 September 2024. He has won 10 ATP doubles titles.
The Zhuhai Championships was an ATP 250 series men's tennis tournament. It was played on outdoor hard courts of the Hengqin International Tennis Center in Zhuhai, Guangdong Province, China, which has 17 outdoor courts and a 5,000-seat stadium. In February 2019, ATP and Huafa Group announced Zhuhai to host the event in September. Starting with the 2024 season, the tournament was replaced by the Hangzhou Open.
Shang Juncheng is a Chinese professional tennis player. He reached his career-high singles ranking of world No. 47 on 21 October 2024. He is the current No. 2 Chinese and the second youngest player in the Top 100. In July 2021, he reached No. 1 in the ITF junior rankings.
Buyunchaokete is a Chinese tennis player. He has a career-high ATP singles ranking of world No. 69 achieved on 30 September 2024 and a doubles ranking of No. 274 achieved on 23 October 2023. He is the current No. 3 Chinese player.
The 2024 Hangzhou Open was a men's tennis tournament played on outdoor hard courts. It was the first edition of the Hangzhou Open and part of the ATP Tour 250 series of the 2024 ATP Tour. It took place at the Hangzhou Olympic Sports Expo Center in Hangzhou, China, from 18 September until 24 September 2024. Unseeded Marin Čilić, who entered the main draw on a wildcard, won the singles title. The tournament replaced the Zhuhai Championships on the ATP Tour calendar.
Marin Čilić 
Jeevan Nedunchezhiyan 
