Past Winners. Roland Garros. ROLAND-GARROS. 22 MAY - 11 JUNE Shop · Tickets · Newsletter · BNP Paribas. Longines. Advantage IBM Watson. Jelena Ostapenko won the French Open women's singles title, besting Simona Halep in It also saw her hit 22 winners to Halep's three. This year's French Open is a "land of opportunity" with no Grand Slam champions left among the women's draw, says Lindsay Davenport.