Japanese outsider Kei Nishikori stole the spotlight on another day of shocks at the US Open on Saturday, while Venus and Serena Williams rolled towards a quarter-final showdown at Flushing Meadows. Fourth seed David Ferrer was left a punched out wreck as he went down 6-4, 6-4, 3-6, 2-6, 7-5 following an inspired performance by Nishikori.
Spain's David Ferrer produced a clinical 6-4, 6-3 victory over local hope Kei Nishikori to reach the last 16 of the Japan Open on Tuesday.
Andy Roddick beat impressive Japanese teenager Kei Nishikori 6-2, 6-4 in the second round of the San Jose Open.
Fourth seed Kei Nishikori's hopes of making another magical U.S. Open run came to a quick end on Monday as last year's runner-up fell at the first hurdle, falling 6-4, 3-6, 4-6, 7-6 (6), 6-4 to Frenchman Benoit Paire.
Japan's Kei Nishikori wrapped up a straight sets win over Feliciano Lopez to win the Memphis International on Sunday.
Japan's Kei Nishikori and Victoria Azarenka of Belarus continued their Australian Open preparations by swiftly marching through to the quarter finals of the Brisbane International on Wednesday.
Kei Nishikori stunned big-serving Milos Raonic 7-6, 3-6, 6-0 with an electrifying display of attacking tennis to become the host country's first Japan Open champion on Sunday.
The former world number four, looking for a first Grand Slam title having been US Open runner-up in 2014, blasted Kyrgios off court as he raced through the first set in 16 minutes.
Rafael Nadal predicted a big future for Japanese teenager Kei Nishikori after surviving a scare at Queen's Club.
World number one Novak Djokovic was surprisingly beaten by unseeded Kei Nishikori of Japan in the semi-finals of the Basel Open on Saturday, suffering a new injury setback in the process.
World No 1 Novak Djokovic ended Kei Nishikori's impressive debut at the ATP World Tour Finals with a 6-1, 3-6, 6-0 semi-final victory at the O2 Arena on Saturday.
The 6-2, 2-6, 6-3 win at the Pat Rafter arena was the 25-year-old's first in four attempts against world number five Nishikori and will boost his confidence ahead of the Australian Open, which starts on January 16 in Melbourne.
Kei Nishikori was crowned Barcelona Open champion for the second consecutive year after a hard-fought 6-4, 6-4 victory over surprise Spanish finalist Pablo Andujar on Sunday.
Japanese trailblazer Kei Nishikori had a thrilling run at the US Open, but could not summon a finishing kick as he hit the wall against big-hitting Marin Cilic in Monday's final at Flushing Meadows.
News of all that's transpired on and off the tennis courts
Japan's Kei Nishikori will meet Spain's Feliciano Lopez in the final of the US National Indoor Tennis Championships after besting Australian Marinko Matosevic in the semi-finals in Memphis on Saturday.
For the fourth time in his career, the eighth-seeded Japanese has dropped one set or less en route to the quarter-finals of a major championship.
An All-Asian tie that catches the eye is rarer than a bottle of Australian wine at Roland Garros but Kei Nishikori's clash with Chung Hyeon in the third round of the French Open could be one to savour.
Photos from the Miami Masters Sony Open played on Wednesday.
India's World Group hopes are hanging by a slender thread as its top singles player, Somdev Devvarman is still doubtful to play Sunday's reverse singles in the play-off tie against Japan due to a shoulder injury.
Carlos Alcaraz defeated Tallon Griekspoor of the Netherlands 6-1, 6-2 at the China Open on Sunday to capture his 200th career tour victory.
Defending champion Roger Federer became the second high-profile casualty at the Madrid Open when he was beaten 6-4, 1-6, 6-2 by Japanese 14th seed Kei Nishikori in the third round.
Kei Nishikori reached his first Masters Series semi-final with a commanding 6-4, 6-3 victory over Ukraine's Alexandr Dolgopolov on Friday, underlining his imminent status as Japan's highest-ranked player ever on the ATP Tour. Awaiting the high-flying Asian star in the Shanghai Masters semi-finals is world number four Andy Murray, who comfortably ended Australian qualifier Matthew Ebden's dream run with a comfortable 6-3, 6-2 victory in the Qi Zhong Stadium.
Top seed James Blake eased into the US Clay Court Championships second round but fellow American Sam Querrey made an early exit.
Paire won his first ATP Tour title on the clay at Bastad in July and will go in search of his second against French Open champion Wawrinka, who served strongly in taking out Gilles Muller of Luxembourg.
"It's been an amazing year so far," said the 25-year-old Nishikori, who will move up to fourth from fifth in the world rankings. "I've had some good Grand Slams, too."
Roger Federer's enduring brilliance and his sheer hatred of losing allowed him to withstand a stunning Kei Nishikori fightback and remain undefeated at the ATP World Tour Finals on Thursday.
World number one Novak Djokovic continued his dominance of Kei Nishikori with a 6-3, 7-5 victory in the final of the Rogers Cup in Toronto on Sunday.
Fourteen-time Grand Slam champion Rafael Nadal crashed out of the Brisbane International after going down at the hands of top-seed Milos Raonic of Canada in their quarter-final clash here on Friday. World number three Raonic recorded only his second victory over Nadal in eight meetings with a 4-6, 6-3, 6-4 win in the last-eight contest that lasted two hours and 21 minutes.
World No 4 Del Potro is still sidelined with a right knee injury sustained in Shanghai last month.
Fourth seed Andy Murray erased memories of early losses at Indian Wells by storming into the BNP Paribas Open third round with a ruthless 6-1, 6-3 victory over Canadian Vasek Pospisil on Saturday.
Davis Cup heavyweights Australia and the United States eased through the first qualifying round on Saturday but Britain were knocked out as Japan hit back from 2-1 down to win 3-2, while Denmark staged a dramatic comeback to overcome Serbia.
Barty survived a first-round scare at the US Open on Monday
IMAGES from Day 10 of the US Open matches played in New York on Wednesday
Roger Federer avoided any more security scares as he moved smoothly into the third round of the French Open on Wednesday but danger still lurks in the bottom half of the draw, namely in the shape of Japan's Kei Nishikori.
Marin Cilic and Kei Nishikori will meet in the semi-finals at the Citi Open in Washington on Saturday, their first encounter since the final of last year's US Open.
World number one Novak Djokovic survived a second set fightback from Slovak Martin Klizan before winning his opening match at the Miami Open 6-0, 5-7, 6-1.
Andy Murray has already scaled the tennis summit but Japan's Kei Nishikori did his best to loosen his footing before falling in a three-hour thriller at the ATP World Tour Finals on Wednesday. Home favourite Murray's insatiable will power allowed him to prevail in a brutal encounter 6-7(9) 6-4 6-4, keeping him on course for his first title at the year-ender. Should he achieve that in his eighth attempt it would guarantee the 29-year-old end the year as world number one ahead of Novak Djokovic who would steal back the crown if he manages a fifth straight title at the O2 Arena.
Former world No.1 Ana Ivanovic suffered a shock 6-7(4), 1-6 loss against Denisa Allertova of Czech Republic in the women's singles first round at the 2016 US Open on Tuesday. Ivanovic, the 2008 French Open winner, started off well but failed to maintain her momentum. With the scored tied 6-6, the first set went into tie-break and the Serbian star failed to keep her nerves.
Jack Sock celebrated a pair of firsts on Friday by powering past fourth seed Kei Nishikori 6-3, 2-6, 6-2 to book a date with Roger Federer in the semi-finals of the BNP Paribas Open in Indian Wells, California.