Holders Spain clinched reached their fourth Davis Cup final in five years when David Ferrer overcame the big-serving John Isner to help beat the United States 3-1 in the last-four tie on Sunday.
"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."
India's tennis legend Leander Paes and Rohan Bopanna moved to the pre-quarterfinals of the ATP BNP Paribas Masters with their respective partners after getting byes in their first rounds in Paris.
American John Isner, battling against the wild weather as much as his opponent, beat unseeded Julien Benneteau of France 4-6, 6-3, 6-4 in North Carolina on Saturday to claim his second title in six weeks.
Fourth seed John Isner gave himself the perfect US Open boost by upsetting fellow-American Andy Roddick 7-6, 6-4 in a slug-fest between two big servers in the Winston-Salem Open semi-finals on Friday.
Andy Roddick and John Isner set up a mouth-watering semi-final between two big servers after the Americans won their respective quarter-final matches at the Winston-Salem Open on Thursday.
Top seed David Ferrer will meet former world number three David Nalbandian in the final of the Auckland Open after they both advanced with easy semi-final victories on Friday.
John Isner and Nicolas Mahut, who were locked in battle for 11 hours in the Wimbledon first-round last year, will face each again this year after Friday's draw threw up an extraordinary re-match.
Having conquered his anxiety and battled through tough situations, Rafa Nadal won possibly the sweetest of his six French Open titles on Sunday.
Rafael Nadal enjoyed a smoother time after a bumpy ride in his opening match but a 7-5, 6-3, 7-6 win over fellow Spaniard Pablo Andujar in the French Open second round on Thursday still did not satisfy the champion.
A furious David Nalbandian blasted the chair umpire for over-ruling a point and denying him a Hawk-eye challenge towards the end of his marathon 4-6, 6-3, 2-6, 7-6, 10-8 loss to American John Isner in the second round of the Australian Open on Wednesday.
World number eight Andy Roddick and 18th-ranked Sam Querrey will represent the United States in a first-round Davis Cup tie against Chile next month, captain Jim Courier said on Thursday.
Rafa Nadal will take on Brazilian world number 96 Marcos Daniel in his first round of the Australian Open but faces a rocky path in his bid to become the first man to hold all four grand slam crowns simultaneously since Rod Laver in 1969.
Images from Day 5 at Wimbledon
Wimbledon returned to something resembling normality at 4.48pm on Thursday when American John Isner punched away a backhand winner past Nicolas Mahut to win a match that had left the tournament in suspended animation. Not even Queen Elizabeth's first visit to the All England Club since 1977 or Rafael Nadal's flirtation with danger could overshadow a record-shredding contest that ended 70-68 in Isner's favour in the deciding set after 11 hours and five minutes.
American John Isner and Frenchman Nicolas Mahut staggered off court as darkness fell on Wednesday after taking a chainsaw to the tennis record books on an unforgettable day at Wimbledon.
Swiss third seed Roger Federer, looking to become only the second player after Andre Agassi to win titles at Roland Garros and Bercy, dropped just 10 points on serve against Czech Tomas Berdych as he set up a meeting with Frenchman Jo-Wilfried Tsonga, who saw off American John Isner 3-6, 7-6, 7-6 in the other semi-final after saving three match points.
Novak Djokovic and Andy Roddick won in straight sets on Wednesday to march into the third round of the Paris Masters.
World number nine Mardy Fish saved two match points in recording a 3-6, 7-6, 6-2 victory over fellow American John Isner to defend his Atlanta Tennis Championship title on Sunday.
Mahesh Bhupathi and Max Mirnyi advanced to the men's doubles quarter-finals of the Cincinnati Masters after getting a walk over. Fourth seeds Bhupathi and Mirnyi were scheduled to play against Americans John Isner and Sam Querry, who withdrew from the contest due an ankle injury to Isner.
Wimbledon will introduce a final set tiebreak starting from next year's Championships at the All England Lawn Tennis Club (AELTC), organisers said on Friday.
Leander Paes remained on course for his second successive Grand Slam title after reaching the men's doubles pre-quarterfinals of the Australian Open with partner Lukas Dlouhy in Melbourne on Saturday.
Rohan Bopanna is one step away from winning his second ATP doubles title of the season after making the final of the Atlanta Tennis Championships in USA, along with partner Kristof Vliegen.
Mardy Fish extended his winning streak to nine matches by defeating top seeded Andy Roddick 7-6, 6-3 on Saturday to advance to the final of the Atlanta Tennis Championships.
Exhausted American John Isner, whose epic first-round match broke all tennis records at 11 hours and five minutes, was beaten in just 74 minutes by Dutchman Thiemo De Bakker at Wimbledon on Friday. Isner held serve 69 consecutive times in the final set of his record-breaking three-day match against Nicolas Mahut which ended on Thursday, but lost his first four service games in his second-round match at the All England Club.
The world's longest tennis match finally ended at Wimbledon on Thursday when John Isner claimed the incredulous fifth set of a three-day epic against Nicolas Mahut 70-68 after 11 hours and five minutes on court. Isner won 6-4, 3-6, 6-7, 7-6, 70-68.
American John Isner and Frenchman Nicolas Mahut took a chainsaw to the tennis record books at Wimbledon on Wednesday when they became embroiled in the longest match ever played.
Top seed Novak Djokovic made quick work of Tennys Sandgren at the Western and Southern Open on Tuesday, never dropping serve en route to a 6-2, 6-4 win over the American, while big-serving Milos Raonic enjoyed a straight sets win over Andy Murray.
Somdev Devvarman has got a tricky opener in the French Open singles as he has been drawn against world number 65 Marco Chiudinelli of Switzerland. Somdev leads the head-to-head count 1-0 but that win in Dubai in February this year was a hard-earned one.
Clay master Rafa Nadal tamed big-serving American John Isner 7-5, 6-4 to claim a place in the last eight of the Madrid Open on Thursday and was joined by Roger Federer and Andy Murray.
Images from Day 6 of the 2021 French Open at Roland Garros in Paris on Friday.
Novak Djokovic tumbled out of the Indian Wells ATP tournament on Wednesday, upset 7-5, 6-3 by big-serving Croat Ivan Ljubicic in the fourth round.
David Ferrer crushed Switzerland's Stanislas Wawrinka 6-2, 6-4, 6-0 to fire depleted champions Spain into the quarter-finals of the Davis Cup on Sunday and set up a clash away to nine-times winners France.
Sam Querrey came back from a set down to overhaul fellow American John Isner 6-7, 7-6, 6-3 and win the Memphis Championships on Sunday.
Leander Paes kept himself in contention for twin titles after making the quarter-finals of both men's doubles and mixed doubles events at the Australian Open in Melbourne on Monday.
Crowd favourite John Isner advanced to his second career ATP Tour final on Friday with an 6-2, 7-6 victory over Spanish eighth seed Albert Montanes.
Top seeds Australia kept their hopes of making the Hopman Cup final alive on Tuesday as commanding performances from Lleyton Hewitt and Sam Stosur gave them victory over the United States at the mixed team event.
Leander Paes and Lukas Dlouhy advanced to the quarter-finals of the Paris Masters after registering a tough three-set win over American pair of John Isner and Sam Querry in Paris.
Ronaldo got involved in ball kid duties while watching world number one Novak Djokovic's opening match against John Isner of America as the tennis ball bounced into the stands near the first row where he was sitting.
Top seed and holder Jo-Wilfried Tsonga advanced to the semi-finals of the Thailand Open after a testing 6-7 6-3 6-4 win over unseeded Swiss Marco Chiudinelli on Friday. The French world number seven, who squeezed through in a tense opening match a day earlier, recovered after losing a first-set tiebreak to plot his course for the semis, where he will meet Viktor Troicki or John Isner.