Roger Federer returned from a month-long layoff with a 6-4, 6-4 second round victory over Roberto Bautista Agut on Tuesday at the Western and Southern Open in Cincinnati.
There comes a moment in all great sporting careers when the puzzle fits together and for Kei Nishikori it arrived on a sweltering early September afternoon in New York.
World No 1 Novak Djokovic began his Paris Masters title defence with a routine 6-3, 6-4 win over German Philipp Kohlschreiber in the second round on Tuesday.
Federer said the rate of dropouts would fall if the slams switched to best-of-three-sets rather than best-of-five as it would mean matches were more like "a sprint to the finish line" rather than being "a marathon" but the people he really felt sorry for on Tuesday were the fans.
Richard Gasquet kept his ATP World Tour finals hopes alive when he overcame Fernando Verdasco 7-5, 6-7(6), 6-3 to reach the Paris Masters third round as fellow Frenchman Jo-Wilfried Tsonga crashed out of the race on Tuesday.
Roger Federer is looking for a change of fortune. And in that direction, the former World No 1 split from his American coach Paul Annacone on Saturday.
"When I was a kid, I just dreamt about playing at Roland Garros, at Wimbledon, professional tournaments. I am no different than many kids. My motivation and passion to try to reach that dream was the key to our success. "We worked hard with motivation. Kids can do it, if I did it," the Spanish legend said ahead of the opening IPTL match. "The only thing I can advise is that try to have right people around you, who know about the sport, who really support you and try to help you reach your best level, practice everyday with motivation and passion. "I had good people around me. Without (coach and uncle) Tony, nothing was possible. I am lucky that someone from my family is my coach forever. We work hard. "We work with passion, with love for what we are doing and just trying to do right things to improve every year. That's the only secret."
Croatia clinched a place in next year's World Cup finals on Sunday after holding Greece to a goalless draw at the Georgios Karaiskakis stadium in Athens to complete a 4-1 aggregate victory in their playoff tie.
A floundering Novak Djokovic should seek advice from evergreen Swiss maestro Roger Federer in order to rediscover his vintage self, the Serb's former Davis Cup coach Bogdan Obradovic said.
Novak Djokovic's star still burns bright as he returns to Melbourne Park in search of a record seventh Australian Open title.
Dominic Thiem will clash with Serbia's Novak Djokovic in the men's singles final of the Australian Open. The Austrian made the title round with a 3-6, 6-4, 7-6(3), 7-6(4) victory Germany's Alexander Zverev in the second semi-final at Melbourne Park on Friday. Djokovic beat great rival Roger Federer 7-6(1), 6-4, 6-3 in the first semi-final on Thursday.
On court Novak Djokovic is taking tennis to extraordinary new levels with his single-minded obsession with winning; off it the Serbian is more than happy to share power. The 29-year-old will begin his attempt to win a fourth Wimbledon title on Monday when he plays British wildcard James Ward on Centre Court -- 12 months after claiming a second successive title by beating Roger Federer.
US Open champion Marin Cilic made a shock first-round exit from the Shanghai Masters on Monday after losing 7-5, 2-6, 7-6(2) to fellow Croatian Ivo Karlovic.
Rafael Nadal survived a fightback from Alexander Zverev to win a record eighth Italian Open 6-1, 1-6, 6-3 on Sunday.
World number one Novak Djokovic was sensationally disqualified in the US Open fourth round on Sunday after striking a line judge with a ball following a point during the first set of his match against Spain's Pablo Carreno Busta.
Switzerland's preparations for the Davis Cup Final against France in Lille on Sunday have been disrupted by a back injury to Roger Federer and a spat within the Swiss camp.
A summary of Novak Djokovic's rise in the tennis circuit in photos.
Caroline Wozniacki overcame a mid-match wobble and withstood a barrage of big hitting to get her WTA Finals title defence back on track with a 7-5, 3-6, 6-2 victory over Petra Kvitova at the Singapore Indoor Stadium.
Grigor Dimitrov stood one win away from the biggest title of his career on Saturday after ending his Jack Sock jinx to reach the final of the season-ending ATP Finals at the 02 Arena.
Stefanos Tsitsipas pulled off one of the biggest wins of his short but remarkable career by beating Rafael Nadal 6-4 2-6 6-3 on Spanish soil on Saturday to book his place in the Madrid Open final against world number one Novak Djokovic.
A hoped-for fight to the finish for the year-end number one ranking at next month's ATP World Tour Finals in London will likely be a coronation for Rafael Nadal, who is virtually guaranteed ending 2017 top of the pile.
Eugenie Bouchard's mid-season nosedive continued on Tuesday as the Canadian was swept aside 6-3 6-4 by Croatian qualifier Donna Vekic despite having home advantage and the backing of an excited crowd in a first round clash at the Rogers Cup.
World number one Rafael Nadal produced a ruthless performance to win his 75th singles title, beating Australian Nick Kyrgios 6-2, 6-1 in the China Open final on Sunday.
A summary of sports events and persons who made news on Wednesday
Big-serving Milos Raonic fought back from a set down to upset Rafa Nadal 4-6, 7-6(10), 7-5 in a pulsating quarter-final at the BNP Paribas Open on Friday.
Djokovic missed the Masters series event with an elbow injury and, having recovered, is eager to face Spain in the Davis Cup quarter-finals in front of a boisterous home crowd next weekend.
Nadal claimed his second grand slam title of the year -- having won the French Open in June -- beating No. 28 seed Kevin Anderson of South Africa in straight sets 6-3, 6-3, 6-4 at Arthur Ashe Stadium in Flushing, on Sunday.
Andy Murray saved seven match-points in a 31-minute tiebreak that stretched to 38 points before he finally subdued Germany's Philipp Kohlschreiber 6-7(4), 7-6(18), 6-1 to reach the Dubai Championships semi-finals on Thursday.
Rafael Nadal will be pose a significant Grand Slam threat again next year after showing signs of returning to his best, according to two of the Spaniard's greatest rivals.
De Minaur, 20, went the entire tournament without facing a break point, and the Australian fittingly clinched victory with a deft serve-and-volley backhand winner.
World number one Rafael Nadal will face compatriot David Ferrer at next week's ATP World Tour Finals in London, with last year's champion Novak Djokovic and runner-up Roger Federer drawn in the second group on Saturday.
Serena faces hard-hitting Giorgi in first round while former World No Hewitt play his final grand slam
Novak Djokovic sauntered past Spaniard Feliciano Lopez to reach the quarter-finals of the Shanghai Masters on Thursday but Andy Murray had to claw past big-serving American John Isner after losing a first-set tiebreaker.
Reigning champions Novak Djokovic and Serena Williams have been named top seeds for the Australian Open starting on Monday.
Olympic athletes, Posh Spice and Andy Murray honoured in Queen's New Year List.
Roger Federer has paid a glowing tribute to Alexander Zverev, hailing the 20-year-old German as having the 'full package' of skills.
World No 1 Novak Djokovic, second seed Andy Murray and three-time champion Rafael Nadal were all cheered into the quarter-finals of the Rogers Cup on Thursday.
Novak Djokovic, Andy Murray, Rafael Nadal and Roger Federer all picked up third round wins at the Western and Southern Open on Thursday to set up a star-studded last eight in Cincinnati.
Rafael Nadal suffered a shock 7-5, 6-3 defeat by Austrian Dominic Thiem in the Madrid Open quarter-finals on Friday, a result that means the Spaniard will lose the world number one ranking.
Britain's world number two Andy Murray pulled out of the US Open on Saturday, citing a hip injury.