New Delhi, July 9 -- As Marta Kostyuk played on Centre Court at Wimbledon on Wednesday, her compatriots in Ukraine were dealing with another deadly attack by Russia on Kyiv.

It's been the same for much of Kostyuk's run to the semifinals.

On Monday, after Russian missiles struck residential buildings close to where Kostyuk's parents live, she had to block that out to play her fourth-round match at the Grand Slam tournament. Last week, Russia hammered the Ukrainian capital with an 11-hour drone and missile attack that killed at least 21 civilians.

For Kostyuk, every day is about finding a way to focus on tennis while not shutting her eyes to what is going on at home.

"It's not easy to disconnect entirely," Kostyuk said after beating Jas...