World No 1 shocked in semi-final at Paris Olympics Swiatek had not lost at venue since 2021 Poland's world No 1 Iga Swiatek suffered a shock defeat against China's Zheng Qinwen in the semi-finals of the Olympic women's singles tennis tournament at Roland Garros on Thursday. Swiatek, the overwhelming favourite for gold after claiming a third successive French Open title this year, was outplayed by the sixth seed, losing 6-2, 7-5.