Tennis Wimbledon 2008 at London (gbr) Women: Singles June 23-July 5: Quarterfinals: Yelena Dementieva (rus) * - Nadiya Petrova (rus) 6-1 6-7(6-8) 6-3 Serena Williams (usa) * - Agnieszka Radwanska (pol) 6-4 6-0 Venus Williams (usa) * - Tamarine Tanasugarn (tha) 6-4 6-3 Zheng Jie (chn) * - Nicole Vaidisová (cze) 6-2 5-7 6-1 Semifinals: Serena Williams (usa) * - Zheng Jie (chn) 6-2 7-6(7-5) Venus Williams (usa) * - Yelena Dementieva (rus) 6-1 7-6(7-3) Final: Venus Williams (usa) * - Serena Williams (usa) 7-5 6-4 Expanded Results