World number 28 Stanislas Wawrinka defeated world number 46 Grigor Dimitrov on Saturday to register his career's 500th victory and reach the fourth round of the French Open. The 34-year-old won the match with a scoreline of 7-6(7-5), 7-6(7-4), 7-6(10-8) in three hours and 16 minutes. Wawrinka will next face Greek Stefanos Tsitsipas.