U.S. Open champion Sam Stosur loses to unseeded Dutch player Sam Stosur at Italy . Defeat leaves Wimbledon without a player in either singles championships . Ana Ivanovic , the 14th seed . Heather Watson becomes first Dutch woman for 10 years to reach first round . Italy 's Sara Errani completes first -round win without hitting a ball .
U.S. Open champion Sam Stosur loses to unseeded Dutch player Sam Stosur at Italy . Defeat leaves Wimbledon without a player in either singles championships . Heather Watson becomes first Dutch woman for 10 years to reach first round . Italy 's Sara Errani completes first -round win without hitting a ball .