Serena Williams moved another step closer to a record-tying 24th career Grand Slam title with a comfortable 6-3, 6-2 victory over Czech Karolina Muchova on Friday to reach the last 16 at the US Open.
Yuichi Sugita and Kei Nishikori helped Japan to a commanding 2-0 lead against India in the Davis Cup World Group Play-Off tie in Tokyo on Friday.
Four more performances like that at the O2 Arena this week should guarantee Andy Murray will end 2016 leading the pack.
IMAGES from Day 8 of the US Open on Monday
Sixth seed semi-finalist Janko Tipsarevic advanced into the last eight of the Chennai Open with a comfortable 6-2, 7-6 (3) win over Russian Alexandre Kudryavtsev on Thursday.
Japan's Kei Nishikori cut short Marin Cilic's title defence with an impressive 4-6, 7-6 (0), 6-2 win on Monday.
The 21-year-old is looking to become just the 11th woman to claim a third consecutive Grand Slam title.
Federer's bid for a 20th grand slam title will be aided by the absences of Andy Murray and Kei Nishikori, as well as lingering injuries to top players who are still expected to play like Rafael Nadal and Stan Wawrinka.
Rafael Nadal left German qualifier Yannick Maden no hope as he booked his ticket for the third round of the French Open in ruthless fashion with a 6-1, 6-2, 6-4 victory.
Fourth seed Rafael Nadal survived a few anxious moments before booking his place in the semi-finals of the BNP Paribas Open with a see-sawing 6-4, 6-3 victory over Japanese Kei Nishikori at Indian Wells in California on Friday.
Lleyton Hewitt proved he is not quite ready to hand over the baton in Australian men's tennis as he used all his years of grasscourt know-how to beat 21-year-old Japanese Kei Nishikori in four sets on Tuesday.
Novak Djokovic, Rafael Nadal and Johanna Konta progressed to the Italian Open semi-finals on Friday, but Roger Federer and Naomi Osaka were forced to withdraw with injury problems. World number one Osaka pulled out of her quarter-final meeting with Kiki Bertens due to a thumb injury before 37-year-old Federer announced his withdrawal because of a problem to his right leg.
With a crop of talented young players knocking on the door of the exclusive men's Grand Slam club, the 'Big Four' hegemony over the game's top tournaments may be coming to a close.
Suspected food poisoning forced Nick Kyrgios to pull out of his much anticipated quarter-finals showdown with Roger Federer at the BNP Paribas Open in Indian Wells.
The eight men to watch during the US Open which starts on Monday.
Djokovic has not reached the last eight of a tournament since last year's Wimbledon and has struggled with a long-term elbow injury.
Rafael Nadal looked something close to his old masterful self on clay again as he crushed Czech Tomas Berdych.
Andy Murray has lost the world number two spot to Roger Federer in the latest ATP rankings released on Monday, after his defeat to Novak Djokovic in the Madrid Masters final.
Making an impressive start at the ATP Malaysian Open, Indian teen Yuki Bhambri demolished fellow wild card Yew-ming SI of Malaysia 6-2, 6-0 in the first round in Kuala Lumpur on Monday.
World number one Novak Djokovic has enjoyed a whirlwind trip to Sunday's U.S. Open final, but the top-seeded Serb expects hard work ahead when he meets Stan Wawrinka at Arthur Ashe Stadium. Defending champion Djokovic, who became the third man to hold all four grand slam singles titles at once after his triumph at Roland Garros in June, owns a 19-4 career head-to-head advantage over the Swiss third seed.
With Roger Federer missing due to injury, Andy Murray upset in the quarters and Rafael Nadal a fourth-round loser, Djokovic marches on in a quest for a 13th Grand Slam title without his familiar high profile rivals standing in the way.
Home favourite Kei Nishikori defeated Frenchman Richard Gasquet 7-6(2), 6-1 in the semi-finals of the Japan Open on Saturday, setting up a final against Russian qualifier Daniil Medvedev.
Japan continued to maintain a keen interest in both singles tournaments at Wimbledon after Kei Nishikori advanced to the third round with a win over Ukrainian Sergiy Stakhovsky on Wednesday and Naomi Osaka followed suit in the women's draw.
Defending US Open champion Rafael Nadal and twice winner Novak Djokovic are one victory away from renewing their rivalry in the final with both expected to get through their semis on Friday.
Indian striker Sunil Chhetri returned among goals in Kansas City Wizards' 7-1 thrashing of Baker University in a friendly match at the Swope Park Training Center in Kansas City, US.
Sticking to a limited schedule has helped Roger Federer enjoy a renaissance late in his career but the Swiss says rest time is now over and he is looking forward to returning to action at the Mercedes Cup in Stuttgart.
Andy Murray is itching for a break after an exhausting few months, the world number two said, after defending champions Britain were knocked out by Argentina 3-2 in the Davis Cup semi-final.
Top seed Andy Murray could meet Roger Federer or Kei Nishikori in the third round, while Serena faces tricky Belinda Bencic in opening round
Defending champion Novak Djokovic was beaten 7-6(6) 6-1 3-6 7-6(5) by American Sam Querrey in the Wimbledon third round on Saturday. The Serbian top seed trailed by two sets overnight after the Court One match was interrupted by rain on Friday and there was no escape for the 29-year-old as Querrey, the 28th seed, completed a huge shock.
Rafael Nadal has pulled out of next week's ATP Tour Finals in London due to injury, so Novak Djokovic will end the year as world number one having returned to the top of the rankings on Monday.
World number one Novak Djokovic is on a French Open semi-final collision course with nine-times champion Rafael Nadal after the draw was made on Friday.
World No 1 Novak Djokovicremained on course for his fifth title of the season after defeating 11th seed Milos Raonic in the quarter-finals of the Madrid Masters on Saturday.
The Spaniard's main rival, Roger Federer, picked the Stefan Edberg Sportsmanship prize for a record fifth successive year.
Top seed Rafa Nadal, who has won the tournament 10 times, also reached the last eight after dispatching compatriot Guillermo Garcia-Lopez 6-1, 6-3 and claiming a record-extending 40th consecutive set on clay.
Rafael Nadal looked like he had never been away as he made a welcome return to Wimbledon with a ruthless 6-2, 6-4, 6-4 win over Japanese wildcard Kei Nishikori on Tuesday.
Rafael Nadal looked like he had never been away as he made a welcome return to Wimbledon with a ruthless 6-2, 6-4, 6-4 win over Japanese wildcard Kei Nishikori on Tuesday.
Former world number one Novak Djokovic showed signs of rediscovering his form with a dominant 6-0, 6-1 victory over Dusan Lajovic in the opening round of the Monte Carlo Masters.
"I don't know what can happen in the future or not. But yeah, 11 here already is something really unbelievable. I always say the same. It looks, for the most of you, and even for me, looks so difficult to increase that number for anyone in the future. But if I did it, and I consider myself a normal person, probably someone else is gonna do it."
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.
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.