Petra Kvitová

Romania's Simona Halep further tops the WTA ranking, 1,225 points clear of world No. 2, Caroline Wozniacki of Denmark.

This is Halep's 33rd week at the top of the world ranking (17 weeks straight) and next Monday will see her overcoming Germany's Angelique Kerber, who spent 34 weeks as WTA leader, placing her 12th in an all-time record.

Twice Wimbledon champion Petra Kvitova withdrew from the Brisbane International with a viral illness on Jan. 1.

Turkish player Çağla Büyükakçay will take on Shelby Rogers at the French Open on May 31 after beating Croatia's Mirjana Lucic-Baroni in straight sets on May 28. 

The world's 155th-ranked player won 6-3, 6-3 against her 35-year-old rival, who is a full 133 spots ahead of her in the world rankings.

"I'll face another tough rival," Büyükakçay told Anadolu Agency after the win. 

Bulgaria's top female tennis player Tsvetana Pironkova has prevailed against Ukraine's Lesia Tsurenko in the first round of the Apia International Sydney tournament on Sunday. 

Pironkova defeated Tsurenko 7-6; 6-2 to move to the second round of the tournament held in Sydney, Australia.

Three of top 25 players are in action this week, as the tour heads to another pair of international events, starting with the TEB BNP Paribas Istanbul Cup in Istanbul on July 20. 

BELGRADE - Serbia's Jelena Jankovic did not make it to the quarterfinal of the WTA tournament in Doha after she withdrew with an injury allowing Petra Kvitova of the Czech Republic to move on.

Jankovic could not carry on with the match due to a groin pull, so she retired at the point when Kvitova held the lead 6-3, 2-1.

DOHA - Serbia's Jelena Jankovic advanced to the second round of the Qatar Total Open in Doha with a convincing win over China's Saisai Zheng 6-0, 6-2 on Tuesday.

Currently ranked as World No. 23 in the WTA rankings, Jankovic stormed past Zheng, dropping just two games in the second set.

Jankovic next faces No. 1 seed Petra Kvitova of the Czech Republic.

Bulgaria's top male tennis player kept his 11th place in the ATP ranking, while the country's best female representative Tsvetana Pironkova dropped seven positions in the WTA ranking.

Dimitrov, who was defeated in the second round of the Rotterdam Open last week, retains his 11th place with 3465 points.

Romanian tennis player Simona Halep went one place down, from 3rd to 4th, in the WTA ranking released on Monday, because she couldn't defend the points won last year in Doha, following the change in the competition calendar.

Photo credit: (c) Silviu MATEI / AGERPRES PHOTO

Bulgaria's No.1 female tennis player Tsvetana Pironkova lost to Petra Kvitova from the Czech Republic at the semifinals of the women's singles competition at the Apia International tournament in Sydney.

Kvitova defeated Pironkova, who was the reigning champion in Sydney, with 7:5, 6:1 on Thursday, electronic daily Dnevnik reports.