Tennis Women: WTA Tour 2006 Doha (qat) February 27-March 4: Quarterfinals: Martina Hingis (swi) * - Svetlana Kuznetsova (rus) 7-6(9-7) 6-2 Amélie Mauresmo (fra) * - Roberta Vinci (ita) 6-4 6-0 Nadiya Petrova (rus) * - Li Na (chn) 6-4 6-4 Ai Sugiyama (jpn) * - Julia Schruff (ger) 6-3 6-2 Semifinals: Amélie Mauresmo (fra) * - Martina Hingis (swi) 6-2 6-2 Nadiya Petrova (rus) * - Ai Sugiyama (jpn) 6-1 7-6(7-2) Final: Nadiya Petrova (rus) * - Amélie Mauresmo (fra) 6-3 7-5