WASHINGTON — Emma Raducanu handed No. 7 seed Marta Kostyuk a sixth consecutive loss Tuesday, defeating her 7-6 (4), 6-4 at ...

Naomi Osaka secured a hard-fought victory over Yulia Putintseva, setting up a highly anticipated second-round encounter with ...

WASHINGTON (AP) — Emma Raducanu handed No. 7 seed Marta Kostyuk a sixth consecutive loss Tuesday, defeating her 7-6 (4), 6-4 at the DC Open to prolong a slide that now has lasted more than two months.