Ana Ivanovic of Serbia was upset 6-2 1-6 6-2 by Austrian Tamira Paszek in the third round of the Rogers Cup in Montreal, which opened the door for Jelena Jankovic to reach the No.1 world ranking.

The 17-year-old Paszek, who I thought would continue her last year's rise this season, won just three matches since the Australian Open and had gone five tournaments without a victory until a first-round win last week in Los Angeles. But now she managed to take out a top-ranked player. Read more »

Maria Sharapova defeated Marta Domachowska 7-5 5-7 6-2 in her opening match at the Rogers Cup in Montreal but after the victory the three-time Grand Slam champion withdrew from the tournament with a shoulder injury which could prevent her from playing at the US Open and the Olympics.

The 21-year-old Sharapova will have an MRI scan and the test results will determine whether she will be able to compete at the US Open and the Olympics, two great events coming up in August.

The world No.3 twice required treatment on a right shoulder in the second-round match against Domachowska which was nearly three hours long, and Sharapova served 17 double-faults in that time. (source: BBC)

Top-ranked Ana Ivanovic passed the test of Petra Kvitova, defeating the Czech 6-3 4-6 6-3 in the second round of the Rogers Cup.

Ivanovic, who is unbeaten in the city of Montreal, having won there in 2006, overcame nine double faults and dropping her serve five times in her first meeting with world No. 64 Kvitova.

Ivanovic will need to make better result at the Rogers Cup than her competitors world No.2 Jelena Jankovic and No.3 Maria Sharapova in order to stay on the top of the rankings.

Additional info: Two upsets happened on the third day of the Rogers Cup so far: Stella McCartney-clad Maria Kirilenko, seeded 13th, was knocked out by local player Stephanie Dubois 6-2 2-6 7-6, while No.15 seed Flavia Pennetta lost to qualifier Larcher De Brito of Portugal 6-3 0-6 6-3. (source: CBS, photo: Getty Images)

Seed No.16 Nicole Vaidisova of the Czech Republic and fifth seed Elena Dementieva of Russia were downed in the first round of the Rogers Cup in Montreal.

Vaidisova was defeated by Japanese veteran Ai Sugiyama 6-3 3-6 6-2, while Dementieva lost to Slovakian Dominika Cibulkova 6-4 6-2.

Sugiyama dropped the first three games of the first set, then won eight straight against Vaidisova. Dementieva, who was competing for the first time since losing in Wimbledon semis, was broken five times by Cibulkova and won only 47% of her service points. (sources: CBS, BBC; photos: Getty Images)

Ana Ivanovic, Maria Sharapova, Aleksandra Wozniak, Dominka Cibulkova, Vera Zvonareva, and the trio of Elena Vesnina, Svetlana Kuznetsova and Elena Dementieva attended the Rogers Cup fashion show in Montreal. Read more »