Kostyuk reaches Guadalajara quarter-finals without playing a point

Top seed Marta Kostyuk reached the Guadalajara Open quarter-finals in Mexico without striking a ball. She received a first-round bye, the free pass for leading seeds, then got a walkover, a win without playing, when Taylor Townsend withdrew ill on Wednesday, BBC Sport reported. The world No 10 faces eighth seed Liudmila Samsonova next.