Aliassime will face Andrey Rublev in the Qatar Open semifinals after he beat fellow Russian Daniil Medvedev when the latter retired after losing the first set 6-3 on Thursday in Doha.

The negative spiral that has enveloped Daniil Medvedev in the last year does not want to disappear. The Russian ace is trying in every way to return to the sensational player who had reached the top of the ATP ranking and who had won his first Major at the 2021 US Open, but the signs continue to be very negative.

Montreal's Felix Auger-Aliassime advanced to the semifinals of the Qatar Open tennis tournament after Russia's Daniil Medvedev retired from their quarterfinal with an illness.

Felix Auger-Aliassime is into the Doha semifinals after Daniil Medvedev retired from the quarter-final on Thursday with an illness.

Aliassiame is through to the semifinals of the Qatar Open in Doha. The 24-year-old from Montreal advanced after fourth-seeded Daniil Medvedev retired from their quarterfinal match Thursday. Auger-Aliassiame won the first set 6-3 before Medvedev withdrew.

Montreal’s Felix Auger-Aliassime advanced to the quarterfinals of the Qatar Open tennis tournament Wednesday when second-round opponent Hamad Medjedovic withdrew with a right leg injury.

A day after receiving a walkover from injured Hamad Medjedovic, Felix won the opening set against Daniil Medvedev 6-3 in 31 minutes. The Russian retired due to illness, not shaking hands with his rival and the chair umpire and leaving the court.