World number two Carlos Alcaraz fell at the first hurdle in Paris, losing in straight sets to Roman Safiullin.
For the second time in an ATP Tour final this year, Jannik Sinner reigned supreme over Daniil Medvedev, this time at the Vienna Open on Sunday.
Daniil Medvedev defeated Russian Karen Khachanov 6-3, 3-6, 6-3 at the Vienna Open to set up a mouthwatering semi-final clash with Stefanos Tsitsipas.
Andy Murray staged an encouraging recovery from his miserable Chinese stint with a comfortable win over Yannick Hanfmann at the Swiss Indoors in Basel.
Rising star Ben Shelton finally entered the winner's circle on the ATP Tour when he defeated Aslan Karatsev at the Japan Open in Tokyo on Sunday.
World number six Holger Rune has partnered up with Novak Djokovic's former coach Boris Becker.