tennis

27-year-old Czech won the inaugural Zhengzhou Open on Sunday, adding to trophies won in Brisbane, Rome and Eastbourne

Switzerland and Britain will also meet Belgium in Group C in Sydney

The championship, which will take place from January 3-12 in the lead-up to the year's first Grand Slam

Apart from Federer, Nadal, Djokovic, Murray will also take part in tournament

Split with Jenkins comes as Osaka returns home for the Pan Pacific Open

32-year-old Scot made a tentative return to singles action in Cincinnati last month

Fourth-seeded duo dropped only one set in the tournament in reaching their first Grand Slam final

Spaniard says overtaking Federer’s record, number one rankings have taken backseat

Teenager Andreescu became Canada's first Grand Slam singles champion with a rollercoaster 6-3, 7-5 over Williams

Williams fell to 19-year-old Canadian Bianca Andreescu 6-3, 7-5 at Arthur Ashe Stadium

19-year-old became Canada's first Grand Slam singles champion with a rollercoaster 6-3, 7-5 win over Serena Williams

33-year-old Spaniard dispatched Berrettini 7-6 (8/6), 6-4, 6-1 to reach a Sunday showdown against Russian Medvedev

Italian Berrettini stands between Spaniard and a fifth US Open final

Williams has romped through the competition, save for a brief scare in her fourth-round match

19-year-old became just the second Canadian woman to reach a Grand Slam final

Williams is seeking to match Margaret Court's all-time record of 24 major titles

24-year-old has a history of notorious outbursts and is being investigated for potential rule violations

Three-time champion in New York, will play Italy's Matteo Berrettini for a berth in the final

Russian later called himself "an idiot" and admitted he needed better on court behavior

37-year-old American is seeking a 24th major title to match Margaret Court's longstanding record

38-year-old Swiss had defeated Dimitrov in all seven previous meetings

Swiss Bencic beat Japanese star 7-5, 6-4 in fourth-round match

Russian was fined $9,000 for an obscene gesture, unsportsmanlike conduct in third-round

34-year-old Swiss advanced to quarter-finals after Djokovic retired trailing 6-4, 7-5, 2-1

Serb quit with a nagging left shoulder problem that had troubled him since the start of the tournament

37-year-old American is seeking her 24th career Grand Slam title to match Margaret Court's all-time record

Five-time US Open champion stretched his record for Grand Slam Open era quarter-finals appearances to 56

It didn't get any easier with the ATP issuing a record $113,000 record fine for his actions at an event in Cincinnati

33-year-old Spaniard advanced to the last 16 by defeating South Korean qualifier Chung Hyeon 6-3, 6-4, 6-2

21-year-old Japanese star pleaded with Gauff to stay on the court and join her for a post-match interview

37-year-old American champion chasing a 24th Grand Slam title sees duo as the hottest young talents in the game

Djokovic, Federer, Serena move to next rounds; Nishikori’s run ends

Russian reacts after receiving code violation, further provoking hostile audiences

Kyrgios was fined a record $113,000 for a slew of breaches during his second round loss at Cincinnati

Djokovic, is attempting to become the first back-to-back men's champion here since Roger Federer won from 2004-2008

Eighth seed Williams is seeking to match Margaret Court's all-time record of 24 Grand Slam crowns

20-time Grand Slam champion struggled early but battled back to dispatch 99th-ranked Dzumhur 3-6, 6-2, 6-3, 6-4

Halep lost to Russian five-time Grand Slam champion Sharapova in the 2017 first round and fell to Kanepi last year

Kyrgios, who won ATP titles earlier this year at Acapulco and Washington, will next face French wildcard Antoine Hoang

Spanish second seed Nadal's path to the US Open crown became much easier with the ouster of the three top-10 rivals.

Tsitsipas stopped short of calling it a factor in his loss but said he felt the impact.

Osaka must retain her Flushing Meadows crown to have a chance of remaining world number one

Thiem, Tsitsipas, Karen Khachanov and Bautista Agut lost Tuesday to ease Nadal's potential path to the final.

The victory was the second in two days for double Olympic champion Murray

He was the first black Grand Slam tennis champion, died in 2003 at age 76 after winning five Grand Slam singles title

Australian second seed overcame a horrible start to oust 80th-ranked Zarina Diyas of Kazakhstan 1-6, 6-3, 6-2

Serena Williams beat the Russian for the 19th time in a row to improve her record in the rivalry to 20-2

38-year-old recovered to progress against Indian Sumit Nagal 4-6, 6-1, 6-2, 6-4 and clinch his 1,224th career victory

World number one, who has won four of the past five majors, brushed past Roberto Carballes Baena 6-4, 6-1, 6-4

Novak Djokovic and Naomi Osaka are the defending champions at the US Open