WIMBLEDON, England — Serena Williams’s bid for a fifth Wimbledon singles championship gained momentum Tuesday, when she stifled the defending champion, Petra Kvitova, 6-2, 7-5, to advance to the semifinals.
, England (AP) — Serena Williams came through another tough three-set match Monday to reach the quarterfinals at Wimbledon, beating 65th-ranked Yaroslava Shvedova of Kazakhstan 6-1, 2-6, 7-5.
