Stan Wawrinka set up a quarter-final clash with fellow home favourite Roger Federer at the Swiss Indoors Basel before having to pull-out of the contest immediately due to injury.
Wawrinka, the seventh seed, triumphed 6-3 3-6 7-5 against American Frances Tiafoe on Thursday in a match that lasted just over two-and-a-half-hours.
Top seed and defending champion Federer is looking to win the tournament for a 10th time. He will take on the winner of the meeting between third-seeded Stefanos Tsitsipas or Filip Krajinovic on Saturday.
Basel the experience on court was surreal… the love, the support and the happiness I felt were next level! MERCI !! 馃Ц馃馃嚚馃嚟馃挜馃檹馃徎鈿★笍鉂わ笍馃敟馃挄 #Basel #Home #TheBest #Support #Happy #Love #SeeYouNextYear pic.twitter.com/E8ALNAUS8n
— Stanislas Wawrinka (@stanwawrinka) October 25, 2019
Tsitsipas battled back against qualifier Ricardas Berankis to win 6-7 (4-7) 6-2 6-4 and fourth seed Roberto Bautista-Agut beat Richard Gasquet 6-2 4-6 6-3.
But there were exits for the fifth seed, Fabio Fognini, and the sixth, David Goffin, as they lost to Krajinovic and Reilly Opelka respectively.
Tsitsipas will now face Krajinovic for a semi-final place and Bautista-Agut takes on Opelka.
At the Erste Bank Open in Vienna, top seed Dominic Thiem moved into the quarter-finals for the 11th time this season and 49th since 2016, which is best on Tour. as he came from behind to defeat Spain’s Fernando Verdasco 3-6 6-3 6-2.
The Austrian will play another Spaniard in the last eight, Pablo Carreno Busta, who beat beat Mikhail Kukushkin of Kazakhstan 6-7 (3-7) 6-4 6-1.