Dayana Yastremska made headlines Tuesday by completing one of the biggest upsets at Wimbledon with her first-round victory in straight sets over No. 2 seed Coco Gauff. But the unseeded Ukrainian tennis player isn’t a complete unknown.

Dayana Yastremska says she didn't think a bit about her previous matches against Coco Gauff and simply entered their Wimbledon clash believing that she would have a chance as long as she played her game.