India, May 31 -- Winning tennis matches, top players often say, is driven as much by the mind as it is by the body and skill. Marta Kostyuk gave us another great example of that.

The last time she took on Iga Swiatek in Cincinnati a couple of years ago, Kostyuk, speaking ahead of their impending French Open contest, recalled having lost the match "way before it even started".

On Sunday, Kostyuk, 23, stepped into Philippe-Chatrier with a smile. As Swiatek stepped off the court after the first set for a lengthy break, Kostyuk passed time by dancing to the music played in the stadium for the spectators.

"You know, I woke up in the morning and all I thought about was what an unbelievable day I have to live today and play on Chatrier and pl...