London, Apr. 2: British tennis star Andy Murray insists that he has rediscovered the habit of winning as he prepares for a Masters quarterfinal in Miami today.

The British No 1 will take on Fernando Verdasco — who beat him in the fourth round of the Australian Open in January — at the Sony Ericsson Open.

Miami  - Novak Djokovic turned the corner in his career matchups with Jo-Wilfried Tsonga, winning 6-3, 6-4 on Wednesday to reverse a run of four straight losses to the Frenchman and book a semi-final place at the Miami Masters.

The 2007 champion also began turning around his reputation as a shirker, fighting through what he said was a stomach problem as he stayed on court to see out the victory.

Miami  - Serena Williams held onto her top ranking with a crucial victory Wednesday over China's Li Na, 4-6, 7-6 (7-1), 6-2 to reach the semi-finals of the Miami Masters.

The top seed and three-time champion at Crandon Park must get to the final to be certain of remaining atop the WTA table. If she loses Thursday to the winner from her sister Venus or Czech Iveta Benesova, then Russian Dinara Safina steps up to the summit.

Miami  - Serena Williams retained a grip on her top ranking with a crucial victory over China's Li Na, 4-6, 7-6 (7-1), 6-2 to reach the semi-finals of the Miami Masters on Wednesday.

The top seed and three-time champion at Crandon Park must get to the final to ensure that she remains on atop the WTA table. If she loses on Thursday to the winner from her sister Venus or Czech Iveta Benesova, then Russian Dinara Safina takes steps up to the summit.

Miami  - Novak Djokovic will aim to reverse a run of four consecutive defeats against Frenchman Jo-Wilfried Tsonga as the pair meet in the quarter-finals of the Miami Masters.

Third seed and 2007 champion Djokovic controlled Czech Tomas Berdych in an efficient 6-3, 6-2 victory on Tuesday, while Tsonga, seeded 10th, ousted compatriot Gilles Simon 6-7 (4-7), 6-3, 6-2 in their fourth-round meeting.

Melbourne, Mar. 31: Australian tennis star Lleyton Hewitt and his wife Bec have started legal action against the New Idea magazine after it claimed the actress was seeing another man - who in reality was her brother.

The magazine ran a cover story titled "Bec''s other man" and claimed she was spending more and more time with a "hunky" American fitness trainer.

The magazine carried photographs of Bec and "Minder Mark" with the Hewitts'' two young children.