Tennis-Ivanovic sets up Vaidisova showdown

LONDON, July 3 (Reuters) Ana Ivanovic kept her wits about her through four rain disruptions to reach the quarter-finals of Wimbledon for the first time with a 6-1 2-6 6-4 win over Russian Nadia Petrova today.

The French Open runner-up set up a battle of the teenagers with Nicole Vaidisova after the Czech earlier dethroned Wimbledon champion Amelie Mauresmo.

Ivanovic had romped through her previous three matches at the grasscourt grand slam without dropping a set but ran into a determined opponent on Tuesday.

Petrova, a quarter-finalist on her last appearance here in 2005, threatened to pull off an upset when she easily outclassed Ivanovic in the second set but failed to keep up the momentum in the decider.

REUTERS SAM RK2246