Opelka, Kyrgios included in Team World for Laver Cup.
On the men's side, the fields have already been divided into two ATP 250 tournaments.
It was a memorable day for Indian tennis as Rohan Bopanna won the Erste Open in Vienna, partnering Pablo Cuevas, while the team of Saketh Myneni and Vijay Sundar Prashanth clinched the Vietnam Open in Ho Chi Minh City.
All the remaining four players lost their second round matches in the qualifying event of the Chennai Open.
The 31-year-old three-time Grand Slam champion had not played a competitive match since losing to Sam Querrey in last year's Wimbledon quarter-finals and opted to have right hip surgery five months ago.
Sania Mirza and her Czech partner Barbora Strycova stormed into the quarter-finals of the BNP Paribas Open 2017 tennis tournament with a straight-set win over their opponents in the women's doubles at Indian Wells.
Bopanna has empathy for the organisers but can't hide his own frustration either.
Switzerland's challenge at the ATP World Tour Finals melted away like an Alpine glacier in a heatwave on Sunday as Rafa Nadal and Novak Djokovic marched on to the grand finale.
A summary of sports events and sports persons, who made news on Sunday
Prajnesh is now ranked 102 in the men's singles rankings with a jump of seven places while Ankita leapfrogged 35 places to a career-high 168 in the women's singles.
Held over because of heavy rain that drenched parts of southern China over the weekend, Berdych maintained his composure through another frustrating weather interruption to win in straight sets.
Roger Federer is keeping a lid on expectations.
'You have to feel like the whole world working normally again and travelling normally before tennis would go back to especially the major competitions'
Ash Barty's bid to end the host nation's long wait for a homegrown Australian Open champion will begin against Ukraine's Lesia Tsurenko
A summary of sports events and sports persons, who made news on Wednesday
Roger Federer has now won all the seven finals he has contested in Cincinnati. Rediff.com takes a look at a few other events that have ensured prolific returns for the Swiss master.
Rohan Bopanna and Andre Begemann suffered a quarter-final exit from the ATP Citi Open after a close defeat against Treat Huey and Dominic Inglot in Washington.
Big-serving Canadian Milos Raonic fired 19 aces to topple Sam Querrey 6-4, 6-4 and set up a second-round clash with either Dan Evans or Russian 10th seed Andrey Rublev.
The Wimbledon tennis championships were cancelled for the first time since World War Two as the coronavirus pandemic wiped another blue-riband sports event off the calendar on Wednesday.
Rafael Nadal roared into the semi-finals of the ATP World Tour Finals in London on Friday with a 7-6, 6-1 defeat of Czech Tomas Berdych who later accused the Spaniard of intimidating the umpire.
Roger Federer's astonishing defeat to a Ukrainian journeyman in the second round at Wimbledon marked the arrival of a new world order in tennis but for the Swiss master this was definitely not the end of an era.
Indian challenge ended at the ATP Indian Wells Masters with the shock first round defeats of Mahesh Bhupathi and Sania Mirza in their respective events in India Wells.
Ramkumar, who ended a runner-up at the Newport event last week, lost 4-6, 4-6 to American Taylor Fritz.
India's Somdev Devvarman entered the second round of the Dubai Duty Free Tennis Championship beating Russia's Igor Kunitsyn in straight sets, in Dubai.
Yuki Bhambri broke back into the top-200 after 15 months, thanks to a solid performance at the ATP Taipei Challenger, where he made the semi-finals to leap to number 186 in the latest rankings.
Kei Nishikori has set his sights on making a grand slam breakthrough in 2017 after the Japanese world number five concluded a successful season in which he claimed one ATP Tour title, an Olympic medal and recorded a career-high 58 wins.
India's singles challengers at the Chennai Open on Saturday drew tough first round opponents as Yuki Bhambri was pitted against world number 56 Dutch Robin Haase while comeback man Somdev Devvarman will open his campaign against Czech Jann Hajek.
The Spanish left-hander, who was sidelined for seven months last year with a left knee injury, overcame a gritty challenge from the hard-hitting Argentine to win a record 22nd ATP Masters title, and a third at Indian Wells.
Somdev Devvarman's challenge in the Dubai Duty Free Championship ended on Wednesday when he was beaten by fourth seed Juan Martin Del Potro of Argentina in the second round.
There was also the exciting Rugby Union match that added that much more excitement to the past week. Rediff.com has that and more snapped right here. We bring you a glance of all the action from the week gone by
Images from Day 4 of the Australian Open in Melbourne on Thursday
German seventh seed Alexander Zverev recovered from a slow start to beat former champion Stan Wawrinka 1-6, 6-3, 6-4, 6-2 in the Australian Open on Wednesday to reach his first career Grand Slam semi-final. Swiss Wawrinka, who won the first of his three Grand Slams at Melbourne Park in 2014, broke Zverev twice early in the opening set to breeze through the opening set but the 22-year-old German came roaring back into the contest.
Bhambri, ranked 116 in the world, had reached the second round when the ATP 250 event was played in Chennai in January 2017.
Ash Barty beat eighth seed Kiki Bertens of the Netherlands 6-3, 3-6, 7-6(7) in Beijing to seal her spot in the final of the China Open on Saturday.
Two-time champion Marin Cilic of Croatia kept his hopes alive, coming from behind to beat Sergiy Stakhovsky of Ukraine 4-6, 6-2, 6-2 and make the quarter-finals of the Aircel Chennai Open ATP tennis tournament, in Chennai, on Thursday.
Juan Martin del Potro believes he can muscle his way into the world's top four next year after returning to the kind of form that propelled him to the US Open title three years ago.
India woman's tennis ace, Sania Mirza continues to hold on to her be world number one ranking in doubles, thanks to her consistent performance.
Third seed N Sriram Balaji overcame early jitters to quell a spirited challenge from compatriot Ramkumar Ramanathan in his opening match at the CCI-ITF men's US $15,000 tournament 2012, at the CCI courts, in Mumbai, on Monday. The Chennai-based lad won 7-5, 6-4 in an hour and 50 minutes.
With twin successes on the Asian swing of the ATP Tour, Novak Djokovic is back in the reckoning in a comparatively less successful year. And with no points to defend in the weeks ahead, the Serb, says Bikash Mohapatra, is the lone challenger to Roger Federer in the race for the year-end No.1 ranking.
Of the 83 people implicated in the case, 28 were professional tennis players, playing in the ITF Futures and Challenger categories, and one whose identity was not revealed competed in the 2018 US Open.