Sportmaster International

Jankovic grew increasingly frustrated as her game fell apart

The second seed needed treatment early in the second set as her knee, which she hurt on Saturday, caused her pain.The Serb dropped serve in game six of the first set and three times in the second as she followed Ana Ivanovic and Maria Sharapova in going out.It is the first time since seedings began in 1927 that the women’s top three have lost before the last eight.The veteran Thai, who needed treatment

for a lower back problem, now faces Venus Williams for a place in the semi-finals.Williams, the defending champion, beat Alisa Kleybanova of Russia in straight sets and must fancy her chances even more of facing her sister Serena in the final on Saturday. 606: DEBATE Jankovic’s dream of reaching the semis and thus becoming the new no-1 of the world evaporated as well fantasticbingting Jankovic’s fitness was always going to be an issue after she twisted her left knee during her battling victory over Caroline Wozniacki in the previous round.The 23-year-old’s leg was strapped up and she initially appeared to be untroubled, but the 31-year-old Tanasugarn kept her moving around the court more than she would have liked.The world number 60, who has lost six times in the fourth round at Wimbledon, broke at the third attempt in the sixth game of the opening set and Jankovic became increasingly frustrated as the set went her opponent’s way.Jankovic called for medical help at 2-1 down in the second set while Tanasugarn had treatment on her lower back at the same time.The world number three, who has yet to reach a Grand Slam singles final, committed more and more errors as her knee continued to cause her difficulties.And the determined Tanasugarn, despite struggling with her own serve, sent her crashing out in rapid fashion to reach the quarter-finals of a Grand Slam singles for the first time.