Serena Williams looks to be cruising her way to another Wimbledon final, but this afternoon Petra Kvitová will be hoping to cause problems for the No. 1 seed. Bookmakers had Serena as their hot favourite to win the tournament ever since she won her third ladies' singles title at SW19 last year, and now her task appears much easier given that her sister Venus did not make it to the semi-final stages of the competition.

Read: Wimbledon 2010: Serena Williams v Petra Kvitová Betting Odds

Bulgarian player Tsvetana Pironkova, ranked 81 in the world, has beaten Venus Williams 6-2, 6-3 in the quarter-finals of Wimbledon to cause a sensational upset in the betting.

Read: Betting shock as former champion Venus Williams crashes out to Tsvetana Pironkova in quarter-finals

Serena Williams, odds-on favourite to win her fourth Wimbledon ladies singles title, faces Na Li in her Centre Court quarter-final this afternoon. Maria Sharapova had been seen as Serena's stumbling block on the way to yet another Wimbledon final, but yesterday Serena won the first set tiebreak and then took the second set 6-4.

Read: Wimbledon Betting: Serena Williams v Na Li Odds

The final event of the women’s tennis season started yesterday, with the top eight ranked players contesting a unique round-robin event in Doha. There are two groups in the competition and players will play the other competitors in their group, before the top two from each group advance to the semi-finals, with the winner taking [...]

Read: Sony Ericsson Championship betting – Venus suffers shock defeat

LONDON – The WTA’s Tennis Integrity Unit is to investigate Caroline Wozniacki’s decision to retire from a game in which she was leading her opponent 7-5, 5-0. Gamblers on Betfair, the leading betting exchange, cleaned up on her opponent, Anne Kremer of Luxembourg, at odds of up to 40/1. Wozniacki, who made the finals of this year’s [...]

Read: Wozniacki in betting probe after retirement

Bookmakers are confident that Justine Henin’s return to the WTA Tour will be successful and offer odds of just 3/1 (bet $10 to make $30 profit) that she will be world no 1 at the end of 2010. After a 16 month ‘retirement’ Henin has said she aims to return to the world of professional tennis [...]

Read: Bookies confident on Justine Henin’s return

The unseeded Melanie Oudin is a slight favorite to beat no 9 seed Nadia Petrova in their US Open match up today. Oudin is on offer at 10/11 (bet $11 to make $10 profit) while Petrova is Evens (bet $10 to make $10 profit) if you take the best bookmaker prices on offer. You can back Oudin [...]

Read: US Open tennis – Oudin vs Petrova

There will be no Williams sister final in the US Open tennis this year as the sisters have been drawn in the bottom half of the draw and are on track to meet each other in the semi-finals. Dinara Safina is the no 1 seed despite never having won a Grand Slam and her recent form [...]

Read: US Open Tennis 2009: Women’s draw and seedings

The betting on the WTA Rogers Cup has been shaken up with the departure of joint favorite Venus Williams and world no 1 Dinara Safina, who was rated fourth favorite for the event.

Read: Favorites drop to shake up Rogers Cup betting

Bookmakers are keen to oppose the Williams sisters in this week's WTA Canada Rogers Cup event in Toronto.

Read: WTA Rogers Cup betting