World No.7 Stanislas Wawrinka was knocked out of the Marseille Open as he went down in the quarterfinals against World No.59 Sergiy Stakhovsky in three sets.
Ukraine's Stakhovsky carved out a 6-4, 3-6, 6-4 victory over the Swiss former Australian Open winner Friday, and now meets Frenchman Gilles Simon, reports Xinhua.
World No. 17 Simon shrugged off a slow start to subdue compatriot Jeremy Chardy 7-5, 7-6 (8/6).
In the second semifinal, the seventh seed and home favourite Gael Monfils will play Spaniard Roberto Bautista, the fourth seed, for a place in Sunday's championship match.