Defending champion Coco Gauff was eliminated in her opening match at the Cincinnati Open, losing to Yulia Putintseva 6-4, 2-6, 6-4. Gauff, who became the youngest Cincinnati champion last year, blew a 4-2 lead in the final set, leading to her first loss against Putintseva in four career meetings. This defeat results in Gauff losing her World No. 2 ranking to Aryna Sabalenka. Putintseva will next face Spain's Paula Badosa in the third round. Other notable upsets include women's No. 4 seed Elena Rybakina losing to Leylah Fernandez and men's No. 9 seed Stefanos Tsitsipas falling to Jack Draper.