Grigor Dimitrov claimed the biggest title of his career and sent out a huge statement of intent as the stylish Bulgarian beat David Goffin 7-5 4-6 6-3 to win the ATP Finals on Sunday.
DJOKOVIC BEATS DELPO FOR SF BERTH
Roger Federer marched into the semi-finals of the ATP Finals once again on Tuesday but he made hard work of the task before finally prevailing 7-6(6) 5-7 6-1 in a high-quality battle of the generations with Germany's Alexander Zverev.
Jack Sock mounted a spirited fightback to claim a first ATP World Tour Finals victory that leaves Marin Cilic facing an early exit.
Sock defied the odds to qualify for the season-ending tournament for the first time and boosted his chances of reaching the semi-finals with a 5-7 6-2 7-6 (7-4) victory over the fifth seed in Group Boris Becker.
With Rafael Nadal having bowed out from the ATP World Tour Finals injured, the question is who can stop the Roger Federer juggernaut.
Just four players have beaten Federer this season but one of them, Alexander Zverev, will be on the other side of the net at the O2 on Tuesday night.
Rafael Nadal could be fit to feature at the ATP World Tour Finals in London after scans showed no new damage to a long-standing knee injury, his doctor has revealed.
Milos Raonic defied injury to produce a near-faultless display to defeat Gael Monfils in straight sets at the ATP World Tour Finals in London. The world number four served with outstanding procession to complete a 6-3 6-4 victory which enhances his hopes of qualifying from the round robin stage.
Deposed world number one Novak Djokovic suffered a scare at the hands of Austrian debutant Dominic Thiem before launching his bid for a fifth successive ATP World Tour Finals title with a 6-7(10) 6-0 6-2 victory on Sunday.
The numbers are staggering. One-hundred thirty-seven titles, 30 Grand Slams and 409 weeks as the top-ranked players in the world between them. The amount of history Rafael Nadal and Roger Federer have created is enough to fill all 20,000 seats in London's O2 Arena -- and then some.
Stanislas Wawrinka did what he had to do with victory over a weary David Ferrer at the ATP World Tour Finals on Friday and now needs a favour from Rafael Nadal to reach the semi-finals.
Two-time titlist Novak Djokovic clinched a spot in the semi-finals of the Barclays ATP World Tour Finals on Thursday with a 6-3, 3-6, 6-3 victory over 2009 runner-up Juan Martin del Potro in Group B.