Nicholas Hilmy Kyrgios is an Australian professional tennis player. Kyrgios achieved his career-high ATP singles ranking of world No. 13 on 24 October 2016. He has won seven ATP Tour singles titles, including the 2019 and 2022 Washington Open, and reached eleven finals, most notably a major final at the 2022 Wimbledon Championships, and a Masters 1000 final at the 2017 Cincinnati Masters. In doubles, during his professional career, Kyrgios has a career-high ranking of world No. 11, achieved on 7 November 2022, winning a major doubles title at the 2022 Australian Open and reaching the semifinals of the Miami Open, both times partnering with Thanasi Kokkinakis. He has also reached three major singles quarterfinals.
The 2017 ATP Finals (also known as the 2017 Nitto ATP Finals for sponsorship reasons) was a men's tennis tournament played at the O2 Arena in London, United Kingdom, from 12 to 19 November 2017. It was the season-ending event for the highest-ranked singles players and doubles teams on the 2017 ATP World Tour.
Roger Federer defeated Stan Wawrinka in the final, 6–4, 7–5 to win the men's singles tennis title at the 2017 Indian Wells Masters. It was his record-equaling fifth Indian Wells title, 25th ATP Tour Masters 1000 singles title, and 90th singles title overall. He did not lose a single set in the entire tournament.
The 2017 Laver Cup was the first edition of the Laver Cup, a men's tennis tournament between teams from Europe and the rest of the world. It was held on indoor hard courts at the O2 Arena in Prague, Czech Republic from 22 until 24 September.
Roger Federer's 2018 tennis season officially began on 30 December 2017, with the start of the Hopman Cup, and ended on 17 November 2018, with a loss in the semifinals of the ATP Finals. He finished the year ranked No. 3 in the ATP rankings. This season saw Federer improving his career best start to a season at 17–0. Federer won his twentieth major at the Australian Open and extended his then-record of weeks at World No. 1 to 310 weeks in this season.
Novak Djokovic defeated Kevin Anderson in the final, 6–2, 6–2, 7–6(7–3) to win the gentlemen's singles tennis title at the 2018 Wimbledon Championships. It was his fourth Wimbledon title and 13th major title overall, passing Roy Emerson to outright fourth place on the all time men's singles major wins list. The win was also Djokovic's first title in over 12 months, his previous win having been at Eastbourne on July 1, 2017, and returned him to the top 10 in rankings. The competition was contested by all but one of the top 20 male players at the time.
Defending champion Roger Federer defeated Marin Čilić in the final, 6–2, 6–7(5–7), 6–3, 3–6, 6–1 to win the men's singles tennis title at the 2018 Australian Open. It was his record-equalling sixth Australian Open title, and his record-extending 20th and last major title overall. With the win, Federer became the oldest man to win a major singles title since Ken Rosewall in 1972. This was the 10th time that Federer defended a major title, the last time being at the 2008 US Open. Čilić became the first Croatian to reach an Australian Open singles final.
Novak Djokovic defeated Juan Martín del Potro in the final, 6–3, 7–6(7–4), 6–3 to win the men's singles tennis title at the 2018 US Open. It was his third US Open title and 14th major title overall.
The 2018 ATP Finals (also known as the 2018 Nitto ATP Finals for sponsorship reasons) was a men's tennis tournament that took place at the O2 Arena in London, United Kingdom, from 11 to 18 November 2018. It was the season-ending event for the highest-ranked singles players and doubles teams on the 2018 ATP World Tour.
John Isner defeated Alexander Zverev in the final, 6–7(4–7), 6–4, 6–4 to win the men's singles tennis title at the 2018 Miami Open. It was Isner's maiden and only Masters 1000 title, and he became the first new Miami Open champion in nine years.
Defending champion Rafael Nadal defeated Dominic Thiem in the final, 6–4, 6–3, 6–2 to win the men's singles tennis title at the 2018 French Open. It was his record-extending eleventh French Open title and 17th major title overall. Nadal equaled Margaret Court's all-time record of 11 singles titles won at one major and became the first player to achieve that feat in the Open Era. He lost only one set during the tournament, and retained the world No. 1 singles ranking. Nadal and Roger Federer were in contention for the top ranking.
Alexander Zverev defeated Dominic Thiem in the final, 6–4, 6–4 to win the men's singles tennis title at the 2018 Madrid Open. He did not lose a set and did not have his serve broken throughout the entire tournament.
Rafael Nadal defeated Stefanos Tsitsipas in the final, 6–2, 7–6(7–4) to win the men's singles tennis title at the 2018 Rogers Cup. It was his fourth Canadian Open title.
Novak Djokovic defeated Roger Federer in the final, 6–4, 6–4 to win the men's singles tennis title at the 2018 Cincinnati Masters. With the win, he became the first player to complete the career Golden Masters in singles.
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.
The 2019 Laver Cup was the third edition of the Laver Cup, a men's tennis tournament between teams from Europe and the rest of the world. It was held on indoor hard courts at the Palexpo in Geneva, Switzerland from 20 until 22 September.
Dominic Thiem defeated Roger Federer in the final, 3–6, 6–3, 7–5 to win the men's singles tennis title at the 2019 Indian Wells Masters. It was his maiden ATP Tour Masters 1000 title, and he became the first Austrian to win a Masters title since Thomas Muster won the 1997 Miami Open.
The 2021 Laver Cup was the fourth edition of the Laver Cup, a men's tennis tournament between teams from Europe and the rest of the world. It was held on indoor hard courts at the TD Garden in Boston, United States from 24 until 26 September.
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 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.
The 2022 Laver Cup was the fifth edition of the Laver Cup, a men's tennis tournament between teams from Europe and the rest of the world. It was held on an indoor hard court at The O2 Arena in London, England from 23 until 25 September.
13 – 8 
