Andrey Rublev will meet Daniil Medvedev in an all-Russian Australian Open quarter-final after Caspar Ruud was forced to retire with injury in their fourth-round clash at Melbourne Park today.

With scores at 6-2, 7-6 (7/3) in Rublev’s favour the match ended when the Norwegian announced his retirement after getting medical treatment midway through the second set.

Casper Ruud walks from the court after retiring due to injury against Andrey Rublev. Photo: Tennis Australia/ MORGAN HANCOCK

“At least one of us will be in the semi-finals. So it’s good news but yeah, it’s going to be a tough match,” Rublev said.

“Last time he beat me in the quarters in the US Open. So now we’re in the quarters in the Australian Open, so we’ll see what’s going to happen.”

Rublev also reached the quarter-finals at Roland Garros last year.

Andrey Rublev in brief action against Casper Ruud.Photo: Tennis Australia/ MORGAN HANCOCK