Stan Wawrinka has reached the quarterfinals of the European Open in Antwerp, beating Feliciano Lopez 6-7, 6-4, 7-6.
The fourth-seeded Swiss veteran will next face Gilles Simon, who beat fellow Frenchman Jo-Wilfried Tsonga 6-4, 7-5.
Fifth-seeded Guido Pella of Argentina also advanced, beating South Korean Kwon Soon-woo 7-5, 7-5.
Meanwhile, Andy Murray and David Goffin are among the players who will hit the courts on Thursday.

Russell takes pole for Austrian GP as Verstappen crashes
Keys wins Eastbourne Open as men's final postponed due to rain
Ravindra puts New Zealand in command against England
Sinner, Sabalenka headline Wimbledon's opening day
