Sloane Stephens suffered a shock defeat at the hands of China's Wang Qiang in the first round of the Wuhan Open.
Wawrinka, whose season has been ended because of a knee injury, has dropped one place to ninth in the latest ATP rankings.
Sloane Stephens and runner-up Madison Keys were knocked out of the Wuhan Open in the first round on Monday.
The top 10, headed by Garbine Muguruza, remained unchanged in the latest WTA rankings released Monday.
Dzumhur needed one hour and 53 minutes to upset the No.3 seed Italy's Fabio Fognini 3-6, 6-4, 6-2 at the St. Petersburg Open.
A picture of the 22-year-old kneeling just before the start of the warm-up in Prague went viral on Twitter with many on social media assuming it was i
Swiss tennis maestro Stan Wawrinka, whose season came to an end early due to a knee injury, has slipped by one place to the ninth spot in the latest A
Roger Federer rallied to beat Nick Kyrgios 4-6, 7-6 (6), 11-9 Sunday and clinch the new Laver Cup tournament for Europe on Sunday.
What is special about 2017 in men’s tennis? Roger Federer and Rafael Nadal had won just five Grand Slams between them in the five years prior to the
Katerina Siniakova beat a top-20 player for the sixth time this year when she ousted Kristina Mladenovic of France 6-3, 6-2 in the first round of the
The world's highest ranking duo handed Team Europe, skippered by Bjorn Borg, a 9-3 lead over Team World, captained by John McEnroe, after two days
Roger Federer won 4-6, 7-6 (8/6), 11/9 against Nick Kyrgios to give Team Europe an unbeatable 15-9 lead in the Laver Cup on Sunday
US Open winner Sloane Stephens lost to China’s Wang Qiang at the Wuhan Open on Tuesday.
Serena Williams Serena Williams remains focused on her tennis comeback just weeks after becoming a mother and will make a strong return, according to
Europe's Roger Federer (left) and Rafael Nadal celebrate after defeating World's Jack Sock and Sam Querrey in their Laver Cup doubles match in Prague,
Caroline Wozniacki celebrates her win over Garbine Muguruza Caroline Wozniacki moved a step closer to retaining her Toray Pan Pacific Open title with
John McEnroe Former tennis stars Bjorn Borg and John McEnroe have taken on each other once again as skippers at the new Laver Cup in Prague, but also
The Danish former world number one needed only 75 minutes to complete the rout under the Tokyo sunshine, capturing her first title of the year after l
The victory gives Wozniacki, also champion in Tokyo in 2010, her first title of the year. The Dane had lost all six of her previous finals in 2017.
Sunday's win was Ostapenko's first hardcourt title since her upset victory over third-seed Simona Halep at the French Open in June.