Andy Roddick, Juan Carlos Ferrero and Roger Federer are in the running for the title at next week's Masters Cup.\n\n
"It was special to win in front of my home fans," Ferrero said after clinching victory in two hours 30 minutes.
Ferrero brushed aside Thailand's Paradorn Srichaphan 6-4 6-2, a result that will be enough to keep him on top of the world rankings.
Agassi polished off former world number one Yevgeny Kafelnikov 6-3, 7-6, 6-4 to reach the U.S. Open fourth round.
The Briton swept past Fernando Gonzalez of Chile 6-3, 6-4 to win the $600,000 Washington Classic.
Here is a factual guide on the man of the moment...
Federer became the first man from Switzerland to reach a Grand Slam semi-final since Marc Rosset at the French Open in 1996.
Britain's Greg Rusedski turned the Wimbledon air blue with a furious outburst of foul language during his 7-6, 7-6, 7-5 loss to Andy Roddick.
American Andy Roddick and Briton Greg Rusedski will be going head-to-head on Centre Court in the race to hit the world's first 150 miles per hour (241.4 kph) serve.
The 24-year-old started brightly by taking the first set off the 19th seed on Monday but his lack of match fitness told as, despite frequent treatment from the trainer, he lost the next three to bow out at the first hurdle in a third straight grand slam.
The 32-year-old continued the form that has brought him 22 victories in 23 matches this year, to reach the final of the U.S. Clay Court Championships on Saturday.
Novak Djokovic claimed a fourth Wimbledon title in ruthless fashion as he beat giant South African Kevin Anderson 6-2, 6-2, 7-6(3) in the final.
The Australian Open runner-up let slip a two-set advantage on the Davis Cup tie against Belarus.\n\n
Australian Bernard Tomic courted controversy yet again when he fired lewd comments toward a heckler at the US Open during his first-round upset loss to Bosnia's Damir Dzumhur on Tuesday.
Croatian Marin Cilic reached his first Wimbledon final with a 6-7(6), 6-4, 7-6(3), 7-5 victory over American Sam Querrey on Friday.
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.
Britain's Andy Murray won the Aegon Championships at Queen's Club by dismantling big-serving South African Kevin Anderson 6-3, 6-4 in a one-sided final.
If tennis player Nick Kyrgios has been chastened by a warning about his future behaviour from Australia's chef de mission for the Rio Olympics, he is not showing it.
Bernard Tomic and Nick Kyrgios have been told their behaviour must improve or they could find themselves on the sidelines rather than centre court at the Rio Olympics, according to the Australian team's chef de mission.
Factbox on Spaniard Rafael Nadal, who beat Swiss Stanislas Wawrinka 6-2, 6-3, 6-1 to win his 10th French Open title on Sunday.
Bernard Tomic ruled himself out of representing Australia at the Rio Olympics in August due to his 'extremely busy' playing schedule.
Six-time Australian Open champion Novak Djokovic has distanced himself from reports that he called for a boycott of next year's tournament unless there was an increase in prize money.
The sorry state of American men's tennis will continue for some time with no real talent on the horizon, said Pete Sampras who dominated the game in the 1990s with fellow American Andre Agassi.
Four-times champion Roger Federer took apart Mischa Zverev 6-1, 7-5, 6-2 with a clinical display of all-court tennis to reach his 13th Australian Open semi-final in 92 minutes on Tuesday.
Jack Sock became the first American to reach the last four of the ATP Finals in 10 years when he stunned world number three Alexander Zverev in a firecracker of a match on Thursday.
His early tennis experiences were at the shell-ravaged Zetra Olympic Hall which was used as a temporary morgue during the war.
World number one Novak Djokovic is a red hot favourite to overcome all opponents and clinch another Australian Open title this year, although extreme temperatures will be a wild card the Serb has to watch out for.
World No 1 Novak Djokovic recovered from another slow start to beat Spain's David Ferrer.
I'd love to win Wimbledon and I think it's possible, says Roger Federer.
The Spanish tennis federation (RFET) said on Thursday it had decided not to extend the contract of Davis Cup captain Alex Corretja when it expires at the end of this year but has yet to name a successor.
- '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'
Factbox on Serbia's Novak Djokovic who won his sixth Australian Open men's singles title on Sunday.
Novak Djokovic is fallible after all, as American powerhouse Sam Querrey proved in stunning fashion to stop the Serb's seemingly unstoppable charge towards a calendar year grand slam at a rain-hit Wimbledon on Saturday. The 28th seed boomed down 31 aces and repelled an attempted Djokovic comeback to win a third-round match that began the previous evening 7-6(6) 6-1 3-6 7-6(5).
IMAGES from Day 9 of the US Open matches played on Tuesday