ZURICH, Switzerland, Oct. 17 (UPI) -- France's Amelie Mauresmo was one of Wednesday's upset victims at the Zurich Open Tennis Tournament at Zurich, Switzerland.
The former world No. 1, the tournament's eighth seed, lost, 2-6, 6-4, 6-1, to unseeded Alona Bondarenko of Ukraine in a second-round match.
Jankovic was a 6-4, 6-4 loser to Nicole Vadisova of the Czech Republic, while Dementieva retired with a left thigh injury in he first-round battle against Italian Francesca Schiavone.
With her second-round exit, Dementieva, who won last week's Kremlin Cup at Moscow, will fail to qualify for this year's season-ending Tour Championships at Madrid, Spain.
"Obviously I'm very disappointed about the result of the match and disappointed also that I couldn't have made it to Madrid," Dementieva said.
Another winner was ninth-seeded Wimbledon runner-up Marion Bartoli of France.