Defending champion Novak Djokovic, playing his second match in four hours, stormed into the semis of the Toronto Masters on Friday while Canadian Milos Raonic failed to deliver a similar outcome for the home crowd.
World No 1 Novak Djokovic and Russian Maria Sharapova shook off windy conditions to move into the fourth round of the Sony Open at Miami on Sunday.
World number three Novak Djokovic and US Open champion Juan Martin del Potro kicked off their Australian Open preparations with easy first-round wins at the Kooyong Classic in Melbourne on Wednesday. Del Potro cruised to a 6-3, 6-3 victory over Croatian Ivan Ljubicic, before Serbian Djokovic made light work of experienced German Tommy Haas 6-2, 6-3 at the eight-man invitational event.
Spain's David Ferrer has qualified for the season-ending Masters Cup featuring the world's top eight players.
Sam Querrey reached his third consecutive ATP final by upsetting top-seeded German Tommy Haas 6-3 7-5 at the LA Open on Saturday.
World number one Rafael Nadal continued his smooth progress at the ATP event in Indian Wells on Tuesday, easing past Russian Dmitry Tursunov 6-3, 6-3 to reach the fourth round. Champion Novak Djokovic though survived a testing second set to beat German Tommy Haas 6-2, 7-6.
Gilles Simon scored a 6-4, 6-4 victory over defending champion Dmitry Tursunov at the Indianapolis Championships on Sunday.
Tommy Haas was upset 5-7, 6-4, 6-4 by Russia's Igor Kunitsyn in the opening round of the US Clay Court Championships.
The Spaniard lost 6-4, 7-6 to France's Marc Gicquel in the first round of the Lyon tournament.
Thomas Johansson saved five match points to upset defending champion James Blake and reach the final of the Stockholm Open.
Big-serving American Sam Querrey shrugged off a nervous second set to clinch his second ATP title with a 6-4, 3-6, 6-1 victory over Australian qualifier Carsten Ball at the LA Open on Sunday.
In the Dubai Open semis, Federer plays Tommy Haas, while Youzhny takes on Robin Soderling.
The German produced a stunning performance to win the Memphis International for the third time.
The American secured the eighth and last spot at the season-ending tournament Tommy Haas pulled out of his Paris Masters semi-final against Slovak Dominik Hrbaty.
Slovakia's Dominik Hrbaty qualified for the final of the Paris Masters on Saturday after German Tommy Haas retired in their semi-final to drop out of the Masters Cup race.
Mario Ancic's defeat left only two players, American James Blake and German Tommy Haas, in contention for the last remaining slot at the season-ending Masters Cup.
Rafael Nadal battled past German Tommy Haas 7-6, 6-3 to reach the Cincinnati Masters quarter-finals.
Britain's Tim Henman lost 6-2, 7-6 to German Tommy Haas in the second round of the Qatar Open on Wednesday.
World number one Roger Federer breezed through to the Halle Open semi-finals with a 6-3, 6-4 win over Germany's Philipp Kohlschreiber.
Both scored straight-set victories in Friday's semi-finals.
Andy Murray's hopes of a first Grand Slam quarter-final ended in disappointment when he was beaten 6-1, 5-7, 6-3, 6-0 by seventh seed Nikolay Davydenko of Russia.\n\n
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.
Roger Federer booked his place in the ATP World Tour Finals for a record-tying 12th consecutive year when he dismissed South African Kevin Anderson 6-4, 6-4 to reach the third round of the Paris Masters on Wednesday.
Nothing that has happened in the past 12 months suggests Roger Federer's hunger is diminished with victory at this year's Australian Open taking his Grand Slam title haul to 20.
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.
A summary of sports events and persons who made news on Thursday