ST. PETERSBURG, Russia — Roberta Vinci secured her place in the quarterfinals of the St. Petersburg Ladies Trophy by beating Belgium's Yanina Wickmayer 6-2, 7-6 (2) on Wednesday.
Vinci, seeded second, served for the match at 6-5 in the second set but was broken by Wickmayer, who proved unable to put up the same resistance in the following tiebreak.
The Italian's quarterfinal opponent will be ninth-seeded Monica Niculescu of Romania or unseeded Timea Babos of Hungary.
Ana Ivanovic powered into the quarterfinals when her Russian opponent Margarita Gasparyan crumbled, winning 7-5, 6-2.
Ivanovic, seeded fourth, was 2-0 down in the second set before winning the next six games to take the match.