BASEL, Switzerland -- Stan Wawrinka became the oldest match winner in the Swiss Indoors tournament history when he outlasted Adrian Mannarino 6-3, 3-6, 7-5 on Wednesday.
Playing in front of a home crowd, Wawrinka, 39, earned his first win over Mannarino after having lost to the Frenchman three times.
Wawrinka will next face Ben Shelton, 22, for a spot in the quarterfinals.
Also Wednesday, top-seeded Andrey Rublev beat Alejandro Tabilo 7-6 (3), 6-1 to reach his 13th quarterfinal of the season.
Roberto Bautista Agut beat second-seeded Casper Ruud 6-3, 3-6, 6-3.
Two-time defending champion Felix Auger-Aliassime defeated Sebastian Baez 7-5, 6-1.
David Goffin and Pedro Martínez also advanced.