INDIAN WELLS, Calif. — Marta Kostyuk, the top-ranked Ukrainian tennis player in the world, drew home-crowd favorite Robin Montgomery for her first match at the BNP Paribas Open Friday.

Even with the recent setbacks in Washington, D.C., Ukraine player Marta Kostyuk is still standing strong. “I got a lot of messages and a lot of apologies from the people that I know from U.S. that are ...

Marta Kostyuk, Wilson’s first 360 athlete, is aiming to make some headlines of her own in Flushing Meadows too. The outspoken Ukrainian wears the brand from head to toe—or rather, from her ...