Carlos Alcaraz suffered a shock 6-1 7-5 defeat against Norway’s Casper Ruud in his opening match at the ATP Finals as the Spaniard’s hopes of winning the year-end title for the first time suffered a big blow.

Coco Gauff showed supreme determination to come back from a set and a break down against Zheng Qinwen to win the season-ending WTA Finals.

Coco Gauff has reached her first final at the WTA Finals in Riyadh, causing a shock by defeating an out-of-sorts Aryna Sabalenka in straight sets.

One wild card from Serbia is guaranteed to advance to the finals of the Belgrade Open, as Laslo Djere and Hamad Medjedovic won and advanced to face each other in the semifinals.

Frenchman Richard Gasquet saved a match point and rallied past Brazil’s Thiago Monteiro 4-6, 6-4, 7-6 (6) to kick off his final appearance at the Moselle Open in Metz, France.

Aryna Sabalenka began her quest to secure the year-end number one ranking with a thumping 6-3 6-4 victory over China’s Zheng Qinwen in her opening round robin match at the WTA Finals in Riyadh.

German third seed Alexander Zverev knocked Stefanos Tsitsipas out of the Paris Masters with a 7-5 6-4 win in the quarter-finals, ending the Greek’s hopes of qualifying for the season-ending ATP Finals in Turin, Italy.

French Open and Wimbledon champion Carlos Alcaraz failed to reach the Paris Masters quarter-finals after a thrilling 6-1 3-6 7-5 defeat to local favourite Ugo Humbert.

Top-seeded Diana Shnaider breezed past Australia’s Priscilla Hon 6-4, 6-1 to reach the quarterfinal round at the Hong Kong Tennis Open.

No. 1 seed Qinwen Zheng of China swept the last nine games against Japan’s Moyuka Uchijima to move into the Toray Pan Pacific Open quarterfinals in Tokyo.

Second seed Alex de Minaur of Australia bounced back from a tough first set and defeated Germany’s Jan-Lennard Struff 2-6, 6-2, 6-2 in the first round of the Erste Bank Open in Vienna, Austria.

Fourth-seeded Tommy Paul topped Grigor Dimitrov, the third seed, 6-4, 6-3 on Sunday to win his second BNP Paribas Nordic Open in Stockholm.