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 hard-courts and two on grass. He is currently the No. 1 French player.
David Goffin is a Belgian professional tennis player. His career-high singles ranking is world No. 7. He is the first Belgian man to be ranked in the top 10 and currently the No. 2 Belgian. Goffin has won six ATP titles and reached nine other finals, most notably at the 2017 ATP Finals.
Alexander Zverev is a German professional tennis player. He has been ranked by the ATP as high as world No. 2. Zverev's singles career highlights include a gold medal at the 2020 Tokyo Olympics, and titles at the 2018 and the 2021 ATP Finals. He has won 21 ATP Tour titles in singles and two in doubles, and contested a major final at the 2020 US Open.
Andrey Andreyevich Rublev is a Russian professional tennis player. He has been ranked as high as world No. 5 in singles by the ATP, which he first achieved in September 2021. Rublev has won 15 ATP Tour singles titles, including a Masters 1000 title at the 2023 Monte-Carlo Masters. He has reached the quarterfinals of all four majors, but is the only male player of the Open Era to have done so the most times without progressing to the semifinals. Rublev has a career-high doubles ranking of No. 44, achieved on 6 November 2023. He has won four doubles titles, including an Olympic gold medal in the mixed doubles at the 2020 Summer Olympics with Anastasia Pavlyuchenkova and a Masters 1000 title at the 2023 Madrid Open with Karen Khachanov.
Roman Rishatovich Safiullin is a Russian professional tennis player. Safiullin has a career high ATP singles ranking of world No. 36 achieved on 8 January 2024, and in doubles of world No. 239 achieved on 7 February 2022.
Daniil Sergeyevich Medvedev is a Russian professional tennis player. He has been ranked as high as world No. 1 in men's singles by the Association of Tennis Professionals (ATP), and is the current world No. 3. Medvedev has won 20 ATP Tour singles titles, including the 2021 US Open and 2020 ATP Finals. In the former, Medvedev defeated then-world No. 1 Novak Djokovic in the final to deny him the Grand Slam. In the latter, he became the only player to defeat the top three ranked players in the world en route to the year-end championship title. He has also won six Masters titles and contested six major finals. His six Masters titles all came in different venues, making him only the sixth player to win Masters titles at six different venues.
Alex de Minaur is an Australian professional tennis player. He achieved a career-high ATP singles ranking of No. 10 on 8 January 2024 and a doubles ranking of No. 58 on 12 October 2020. He has won seven ATP Tour singles titles and one in doubles.
Botic van de Zandschulp is a Dutch professional tennis player. Van de Zandschulp has a career high ranking of world No. 22 in singles by the ATP, achieved on 29 August 2022. He is the current Dutch No. 2 men's singles player. He also has a career high doubles ranking of world No. 60, achieved on 22 May 2023. Van de Zandschulp has won one ATP Challenger singles title in Hamburg and one ATP Challenger doubles title in Alphen.
The 2019 ATP Finals (also known as the 2019 Nitto ATP Finals for sponsorship reasons) was a men's tennis tournament played at the O2 Arena on indoor hard courts in London, United Kingdom, from 10 to 17 November 2019. It was the season-ending event for the highest-ranked singles players and doubles teams on the 2019 ATP Tour and was the 50th edition of the tournament (45th in doubles). The singles event was won by Stefanos Tsitsipas over Dominic Thiem in three sets. In doubles, Pierre-Hugues Herbert and Nicolas Mahut defeated Raven Klaasen and Michael Venus in straight sets.
Jannik Sinner is an Italian professional tennis player. He has been ranked as high as world No. 4 by the Association of Tennis Professionals (ATP), achieved on 2 October 2023, making him the highest ranked Italian male player in history. Sinner is a major champion, having won the 2024 Australian Open. He has won a further ten ATP Tour singles titles, including a Masters 1000 title at the 2023 Canadian Open. Sinner also has a career-high ranking of world No. 124 in doubles, achieved on 27 September 2021, and has won one ATP Tour title in doubles.
Rafael Nadal defeated Daniil Medvedev in the final, 7–5, 6–3, 5–7, 4–6, 6–4 to win the men's singles tennis title at the 2019 US Open. It was his fourth US Open title and 19th major title overall. Nadal's victory meant that every major title since the beginning of 2017 had been won by either himself (5), Novak Djokovic (4) or Roger Federer (3). This was the first time since 2006–08 that Djokovic, Federer, and Nadal had claimed all four major singles titles in three consecutive years.
Carlos Alcaraz Garfia is a Spanish professional tennis player. He has been ranked as high as world No. 1 in men's singles by the Association of Tennis Professionals (ATP), and is the current world No. 2. Alcaraz has won twelve ATP Tour-level singles titles, including two major titles and four Masters 1000 titles. Following his win at the 2022 US Open, Alcaraz became the youngest man and the first teenager in the Open Era to top the singles rankings, at 19 years, 4 months, and 6 days old.
The 2021 Novak Djokovic tennis season is considered one of Djokovic's best. It saw him become the second man in tennis history to achieve the Surface Slam following Rafael Nadal in 2010, and repeat his feat from 2015 of reaching all four major finals in a season. He won five tournaments, three of them majors: the Australian Open, the French Open, and the Wimbledon Championships. Djokovic reached the final of the US Open in an attempt to achieve the Grand Slam, but finished runner-up to Daniil Medvedev. He also won the Paris Masters and Belgrade Open, and reached his first final in a doubles tournament since 2010 at the Mallorca Open.
Alexander Zverev defeated the defending champion Daniil Medvedev in the final, 6–4, 6–4 to win the singles tennis title at the 2021 ATP Finals. It was his second ATP Finals title. With the win, Zverev ended a six-year streak of different winners at the tournament, dating to 2015.
Carlos Alcaraz defeated Casper Ruud in the final, 6–4, 2–6, 7–6(7–1), 6–3 to win the men's singles tennis title at the 2022 US Open. It was his first major title. He claimed the world No. 1 singles ranking with the win; Ruud, Rafael Nadal, Daniil Medvedev, and Stefanos Tsitsipas were also in contention for the top position. Alcaraz saved a match point en route to the title, in the quarterfinals against Jannik Sinner. Alcaraz became the youngest major champion since Nadal at the 2005 French Open, the youngest US Open champion since Pete Sampras in 1990, the first man born in the 2000s to win a major singles title, and the youngest man to be ranked world No. 1, surpassing Lleyton Hewitt's record. Alcaraz also became the third player to reach a major final having won three consecutive five-set matches, after Stefan Edberg at the 1992 US Open and Andre Agassi at the 2005 US Open. At 23 hours and 39 minutes of play duration across his seven matches, Alcaraz spent the longest time on court in major history until then, a record that was later broken by Daniil Medvedev at the 2024 Australian Open. Ruud became the first Norwegian to reach the final.
The 2023 Novak Djokovic tennis season is considered one of the greatest tennis seasons of all time by an individual tennis player. It officially began on 1 January 2023, with the start of the Adelaide International, and ended 25 November 2023 after Serbia's defeat by Italy in the semifinals of the Davis Cup Finals.
The 2023 Carlos Alcaraz tennis season officially began on 16 January 2023, with the start of the Australian Open in Melbourne. Alcaraz returned to action at the Argentina Open following injury suffered prior to the Australian Open.
The 2023 Daniil Medvedev tennis season officially began on 1 January 2023, with the start of the Adelaide International, and ended 18 November 2023 after defeat by Jannik Sinner in the semifinals of the ATP Finals.
The 2024 Novak Djokovic tennis season, officially began on 31 December 2023, with the start of the 2024 United Cup.
Jannik Sinner defeated Daniil Medvedev in the final, 3–6, 3–6, 6–4, 6–4, 6–3, to win the men's singles tennis title at the 2024 Australian Open. It was his first major singles title. Sinner became both the first Italian to win this major and the second Italian man in the Open Era to win a singles major, after Adriano Panatta at the 1976 French Open. He was the first new Australian Open champion in 10 years since Stan Wawrinka in 2014. At 22, Sinner was the youngest champion and finalist at the event since Novak Djokovic in 2008, in what was the first Australian Open final since 2005 not to feature any of the Big Three members. It was the second time Medvedev lost the Australian Open final after winning the first two sets, following his defeat to Rafael Nadal in 2022, making him the only player in the Open Era to lose two major finals after having a two-set lead and the second to lose each of his first three finals at the Australian Open, after Andy Murray. He also set Open Era records for the most time spent playing at a singles major, at 24 hours and 17 minutes, and for the most sets played in a singles major, at 31.
Jannik Sinner (4) vs. 
Daniil Medvedev (3)