Emma Raducanu has handed No. 7 seed Marta Kostyuk her sixth consecutive loss. Raducanu defeated Kostyuk 7-6 (4), 6-4 at the DC Open on Tuesday. Kostyuk's winless slide now has

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.

Emma Raducanu earns straight-sets win over Marta Kostyuk in Washington - Raducanu held off the Ukrainian world number 27 to pull through a gruelling encounter 7-6 (4) 6-4.