Casper Ruud retires, Andrey Rublev advances to quarter-finals – Wide World of Sports

Casper Ruud has retired after losing the first two sets of his fourth round match at the Australian Open and giving world No.8 Andrey Rublev an easier run into an all-Russian quarterfinal against fourth-seeded Daniil Medvedev.
The No.24-seeded Ruud was forced to take a medical timeout during the second set where he had treatment for an apparent stomach muscle injury. Ruud, who trailed by a break early in the second set, later led 5-3 after winning four straight games before Rublev stormed back to…

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