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 ATP. He has won 20 ATP Tour singles titles, including the 2021 US Open and 2020 ATP Finals.
Stefanos Tsitsipas is a Greek professional tennis player. He has been ranked as high as world No. 3 by the ATP, which he first achieved on 9 August 2021, making him the highest-ranked Greek, tied with Maria Sakkari.
The 2018 Novak Djokovic tennis season started with the Tie Break Tens event in Melbourne, Australia.
The 2018 Rafael Nadal tennis season officially began on 15 January 2018, with the start of the Australian Open, and ended on 8 September 2018, with a loss at the semifinals of the US Open and subsequent injury.
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.
Novak Djokovic defeated Rafael Nadal in the final, 6–3, 6–2, 6–3 to win the men's singles tennis title at the 2019 Australian Open. It was his record-breaking seventh Australian Open title and 15th major title overall, surpassing Pete Sampras for third place on the all-time list. Djokovic and Nadal were both in contention for the world No. 1 singles ranking; Djokovic retained the top ranking by reaching the fourth round. Nadal was attempting to become the first man in the Open Era to achieve a double career Grand Slam, a feat he would achieve three years later.
The 2019 Novak Djokovic tennis season officially began on 1 January 2019, in the first round of the Qatar Open, and ended 22 November 2019 after Serbia defeat by Russia in the quarterfinals of the Davis Cup Finals.
Roger Federer's 2019 tennis season officially began on 30 December 2018, with the start of the Hopman Cup. His season ended on 16 November 2019, with a loss in the semifinals of the ATP Finals. Despite failing to defend his title at the Australian Open, Federer was able to maintain his ranking of World No. 3 by the end of the year.
The 2019 Rafael Nadal tennis season officially began on 14 January 2019, with the start of the Australian Open, and ended 24 November 2019 after Spain's victory at the conclusion of the Davis Cup Finals.
Stefanos Tsitsipas defeated Dominic Thiem in the final, 6–7(6–8), 6–2, 7–6(7–4) to win the singles tennis title at the 2019 ATP Finals. Tsitsipas was making his tournament debut. It marked the first instance since 2005, and only the fourth instance overall, that the Tour Finals champion was determined via a final-set tiebreak.
The 2020 Rafael Nadal tennis season officially began on 3 January 2020, in the first round at the inaugural 2020 ATP Cup Group B venues in Perth.
Carlos Alcaraz Garfia is a Spanish professional tennis player. He has been ranked as high as World No. 1 in singles by the Association of Tennis Professionals (ATP). Alcaraz has won 16 ATP Tour-level singles titles, including four major titles and five Masters 1000 titles.
Dominic Thiem defeated Alexander Zverev in the final, 2–6, 4–6, 6–4, 6–3, 7–6(8–6) to win the men's singles tennis title at the 2020 US Open. It was his first and only major title, following three previous runner-up finishes. Thiem became the first man to come back from two sets down in a US Open final in the Open Era, the first to do so overall since 1949, and the first to do so in any major final since Gastón Gaudio at the 2004 French Open. Both players served for the championship in the final set, but both were broken at 30. This was the first time in history that the US Open title was decided by a fifth set tie-break, 50 years after the rule was introduced in 1970.
Daniil Medvedev defeated Dominic Thiem in the final, 4–6, 7–6(7–2), 6–4 to win the singles tennis title at the 2020 ATP Finals. Medvedev became the fourth man to defeat the world's top-three ranked players en route to a title.
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.
Novak Djokovic defeated Stefanos Tsitsipas in the final, 6–7(6–8), 2–6, 6–3, 6–2, 6–4 to win the men's singles tennis title at the 2021 French Open. It was his second French Open title and 19th major title overall. With this victory, he became the first man to achieve the double career Grand Slam in the Open Era, and the first player in the Open Era to win a major after coming back from two sets to love down in two matches during the same major. Tsitsipas became the first Greek player to reach a major final. It also marked the second consecutive year a man trailed by two sets in a major final yet rallied to win, following Dominic Thiem's victory at the 2020 US Open.
Rafael Nadal defeated Casper Ruud in the final, 6–3, 6–3, 6–0 to win the men's singles tennis title at the 2022 French Open. It was his record-extending 14th and final French Open title and record-extending 22nd and final major title overall. It marked the first time in his career that he won the Australian Open and the French Open in the same calendar year. Nadal also became the third man to defeat four top 10 players en route to a major title since the introduction of ATP rankings in 1973. Ruud became the first Norwegian man to reach a major quarterfinal and beyond, and the first Scandinavian man to do so since Robin Söderling in 2010.
Rafael Nadal defeated Cameron Norrie in the final, 6–4, 6–4 to win the singles title at the 2022 Mexican Open. Nadal did not drop a set during a tournament for a record-extending 30th time. It was his fourth Acapulco title and 91st career singles title overall.
Novak Djokovic defeated Stefanos Tsitsipas in the final, 6–0, 7–6(7–5) to win the men's singles tennis title at the 2022 Italian Open. It was his sixth Italian Open title and record-extending 38th Masters 1000 title overall. Djokovic did not lose a set during the tournament, and won his 1000th ATP Tour-level career match against Casper Ruud in the semifinals.
Novak Djokovic defeated Casper Ruud in the final, 7–5, 6–3 to win the singles tennis title at the 2022 ATP Finals. It was his sixth Tour Finals title, equaling Roger Federer's record. He became the oldest singles champion in tournament history at 35 years old and also claimed the biggest prize check in tennis history at $4,740,300. Djokovic also set the longest time gap between a player's first to most recent Tour Finals titles, at 14 years, and became the first player to win Tour Finals titles in three different decades.
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