World No.4 and top seed Stefanos Tsitsipas suffered an embarrassing straight sets defeat to 163rd-ranked Russian qualifier Roman Safiullin in the Marseille ATP quarter-finals on Friday.

Safiullin, 24, clinched a memorable 6-4, 6-4 win over his Greek opponent who was runner-up at the French Open last year. “It’s the greatest victory of my career,” said the Russian, a former junior Australian Open champion.