Christian Ruud
One may also ask, why did Casper Ruud retire?
The No. 24-seeded Ruud had treatment for an apparent stomach muscle injury during the match on Margaret Court Arena and quit after falling behind 6-2, 7-6 (3).
Secondly, how many titles does Casper Ruud have? Ruud has won five ATPTour singles titles in his career, including four in 2021. During the post-Wimbledon stretch this year, Ruud has so far won three titles in a row on clay – in Bastad, Gstaad, and Kitzbuhel.