The 32-year-old debutant at the ATP's blue riband event won the first 11 games of the round-robin clash before a relieved Nishikori finally got on the scoreboard with an angled winner.
The ITF has made a range of learning resources on its academy platform available for free during the shutdown while the ATP Tour announced an initiative this week that will give fans the chance to bid for sessions with top coaches. Funds raised from the sessions will go to the tour's Coaches Committee to support its members.
Darren Cahill is currently coaching Simona Halep on the telephone or via video link and has asked her to adopt the mindset of an Olympic athlete during an enforced layoff that could extend to the end of the year.
Fifth seed Maria Sharapova averted an early exit on a sweltering day in Flushing Meadows. Updates from Wednesday's play.
Australia's number two Bernard Tomic will be absent from this week's Davis Cup quarter-finals but the United States will still have a fight on their hands in Brisbane due to the impressive form of Nick Kyrgios, US team captain Jim Courier said.
IMAGES from Day 4 of the Australian Open in Melbourne, on Thursday.
The maverick Australian is in his first Slam final after a roller-coaster career.
India caused a stir in Zagreb where veteran duo Leander Paes and Rohan Bopanna edged Mate Pavic and Franko Skugor in Saturday's doubles to keep alive the tie but Marin Cilic quickly doused Indian hopes with a 6-0, 6-1 win over Sumit Nagal.
Dustin Brown stole the show at Wimbledon with a sensational upset win over Rafael Nadal. Find out more about this German journeyman...
Ash Barty's dream of ending her nation's 42-year wait for a homegrown Australian Open champion lay in tatters on Thursday after the world number one crumbled on the big points in a straight-sets semi-final defeat to Sofia Kenin. The 23-year-old Queenslander beat a hasty retreat from Rod Laver Arena after losing her first Melbourne semi-final 7-6(6), 7-5, shaking her head ruefully as she walked down the player's tunnel.
Two years after Spain's stunning fall from grace in Davis Cup tennis, Rafael Nadal has hailed his nation's return to the World Group after victory in the playoff against India.
Pospisil and Shapovalov joined forces in the deciding doubles rubber against Jordan Thompson and John Peers, winning 6-4, 6-4 in front of several hundred delirious Canadian fans.
David Goffin and Steve Darcis staged a thrilling comeback on Sunday to take Belgium into their second Davis Cup final in three years with a 3-2 victory over Australia.
Australia eased ahead of Bosnia 2-0 as John Millman thumped Damir Dzumhur 6-3, 6-2 while Alex de Minaur overcame Mirza Basic 6-3, 7-6(0), before Millman revealed the team's larger goal under captain Lleyton Hewitt.
Ana Ivanovic and Gael Monfils led the way for Indian Aces as they edged out Manila Mavericks 26-25 in a thrilling encounter in the India leg of the International Premier Tennis League.
Australia Davis Cup captain Pat Rafter named three teenagers in his squad on Tuesday for their away tie against France, their first World Group appearance since 2007.
Belgian former World No 1 and seven-time grand slam singles champion Justine Henin headlined the list of nominees up for induction into the International Tennis Hall of Fame.
It was a fun year. I did a lot of fun things. I got Australia back in the world group of the Davis Cup, won a couple of titles, so it's been a good year so hopefully I can back it up in 2017
Briton Andy Murray will take over from Novak Djokovic as World No 1 when the rankings are updated on Monday after his Paris Masters semi-final opponent Milos Raonic withdrew with a leg injury on Saturday.
As tradition demands the Serb will open play on Centre Court on Monday as defending men's champion but rather than a gentle loosener the 28-year-old faces a real danger in the form of Germany's Philipp Kohlschreiber, the world number 33.
American teenager Amanda Anisimova, fresh off an impressive run at Indian Wells, beat China's Wang Qiang 6-3, 1-6, 6-2 at the Miami Open on Tuesday to set up a second round clash with Spanish third seed Garbine Muguruza.
Rediff.com brings you a selection of images of fans taking to the field of play to make a point or gain attention.
List of US Open men's singles champions since the open era began in 1968:
Tomic slams 'disrespectful' Tennis Australia.
Johanna Konta spurned the country of her birth to play tennis for Britain but the Sydney-born 24-year-old has enjoyed huge support from the MelbournePark crowds during her run to the Australian Open fourth round.
Britain's rise from embarrassing Davis Cup lightweights to title contenders has been nothing short of spectacular and they will begin slight favourites to reach a first final in 37 years against Australia on Friday.
World number one Andy Murray vowed to return as strong as ever after his bid for a maiden Australian Open title was brought to a stunning end by German Mischa Zverev on Sunday.
- 'It's probably been the best preparation I've ever had for Wimbledon because we have a week more on the grass' - 'This year I feel my game is better'
List of US Open men's singles champions since the Open Era began in 1968:
The US Open reached an emotional climax on Sunday as the year's final grand slam paused amid heavy security before the start of the men's singles to remember those who died in the 9/11 attacks 15 years ago.
A first-week choke by leading woman Sam Stosur and a grudging loss by ageing men's warrior Lleyton Hewitt has generally been the blueprint for the home players at the Australian Open, but teenage talent Nick Kyrgios may be poised to buck the trend of local underachievement.
Australia's Bernard Tomic thinks he is playing some of the best grasscourt tennis of his career and is in a good place off the court as he heads into the Wimbledon championships main draw for the seventh time.
Simona Halep ended Beatriz Haddad Maia's dream run in Toronto
Bernard Tomic's rift with Tennis Australia looks unlikely to end any time soon after the player said he had no interest in clear-the-air talks until the governing body resumed funding of his sister, Sara.
It ended a woeful few days for reigning champions Croatia. They left with two losses.
Stefanos Tsitsipas confirmed his meteoric rise into the highest echelon of men's tennis by battling back to beat Austrian Dominic Thiem 6-7(6) 6-2 7-6(4) in a compelling title duel at the ATP Finals on Sunday.
Wimbledon's new head groundsman said on Thursday he is "100 percent happy" with the grass courts despite a string of players tumbling out of the tournament through injury.
Roger Federer rediscovered his verve in the nick of time to outclass Austrian Dominic Thiem 6-2, 6-3, on Tuesday, and maintain his hopes of reaching the last four at the ATP Finals.
Justine Henin, a shy, petite Belgian with a fierce desire to win, and big-serving Russian Marat Safin were honored as the new inductees into the International Tennis Hall of Fame in Newport, Rhode Island on Saturday.
Murray pulled out of the Australian Open on Thursday having failed to recover from the hip injury that had dogged him since the summer of 2017, following his quarter-final exit at Wimbledon in July.