Women’s singles: Aryna Sabalenka
Sabalenka was the world No. 1 throughout 2025. She won the title at the US Open (her fourth victory in a Grand Slam tournament), reached the final at the Australian Open and Roland Garros, the semifinal at Wimbledon. They have also won titles in Brisbane, Miami and Madrid, and played in nine finals in total this season. She is the player with the most titles and matches won, and the most finals played on the WTA Tour in 2025.
Men’s singles: Jannik Sinner (ITA)
Sinner reached the final in all four Grand Slam tournaments in 2025, defeating Alexander Zverev to defend his title at the Australian Open and beating defending champion Carlos Alcaraz to win his first Wimbledon title. He was defeated by Alcaraz in the final at Roland Garros, a match considered one of the best of all time, and at the US Open. He triumphed in Beijing, Vienna, Paris and the Nitto ATP Finals.
Women’s doubles: Sara Errani (ITA) / Jasmine Paolini (ITA)
Errani and Paolini won their first Grand Slam title as a doubles pair at Roland Garros, just 10 months after winning Olympic gold at the same venue. It was the first Grand Slam doubles title for Paolini and the sixth for Errani, who had already won five major titles together with Roberta Vinci from 2012-14. The duo also triumphed in Doha, Rome and Beijing and reached the semi-finals at the US Open. Together they shared the success of the Italian national team which won the Billie Jean King Cup for the second consecutive year.
Masquile Doppio: Marcel Granollers (ESP)
Granollers and Zeballos won their first two Grand Slam titles, triumphing at Roland Garros and the US Open. The success in Paris ended a run of three defeats in Slam finals; Granollers, moreover, also competed for the title with Marc Lopez at Roland Garros and the US Open in 2014. The couple won three other titles together on the major circuit – in Bucharest, Madrid and Basel – and reached the semi-finals at Wimbledon. Both represented their countries at the Davis Cup Final 8 in Bologna in November.
Women’s wheelchair singles: Yui Kamiji (JPN)
Kamiji triumphed in singles at the Australian Open, Roland Garros and the US Open in 2025, his first major singles titles since 2020, making him eleven career Slam singles titles. She also reached the final at Wimbledon and triumphed in the women’s doubles at Roland Garros. She returned to world No. 1 for the first time since 2018 after her victory in Melbourne and has remained at the top of the rankings ever since.
Men’s wheelchair singles: Tokito Oda (JPN)
Oda lost to Alfie Hewett in the singles final at the Australian Open in January, but responded impressively to win singles titles at Roland Garros, Wimbledon and the US Open this season. His first victory in New York brought his total of Grand Slam titles to seven and made him the fourth player in history to complete the “Career Golden Slam” in wheelchair tennis singles (i.e., winning all four Grand Slam titles and the Paralympic gold medal). He was No. 1 in the rankings for all but one week of 2025.
Wheelchair, singular quad: Niels Vink (NED)
Vink added two more Grand Slam singles titles to his trophy cabinet in 2025, Wimbledon and US Open. He also reached the final of both the Australian Open and Roland Garros. For the second time in his career, he reached at least the singles final in all four Grand Slam tournaments in one year. After regaining the No. 1 ranking in January, he remained at the top of the rankings for the remainder of the season.
Junior women: Kristina Penickova (USA)
Penickova reached the women’s singles final at the Australian Open junior in January before winning the J300 in San Diego (USA) in March. He also captured the title at the J200 in Chuncheon, South Korea. He reached the finals at the J500 in Osaka, Japan, and the ITF World Tennis Tour Junior Finals, and won all six matches at the Billie Jean King Cup Junior Finals, contributing to the United States’ fourth consecutive triumph.
Junior men: Ivan Ivanov (BUL)
Ivanov won the junior men’s singles title at Wimbledon and the US Open, becoming the first player to win multiple Under-18 Slams in a year in this specialty since Tseng Chun-Hsin in 2018. He is the second Bulgarian player to win a junior Slam after Grigor Dimitrov, champion at Wimbledon and the US Open in 2008. At junior level Ivanov also triumphed at the J300 in Beaulieu-sur-Mer, France, and came second at the J500 in Milan. She captured her first professional title on the ITF World Tennis Tour in May and made her Davis Cup debut during Bulgaria’s victory over Finland in September.
