Three-time Grand Slam champion Stan Wawrinka rolled back the years on Friday as the 39-year-old ousted top seed Andrey Rublev to reach the Stockholm semi-finals.
Dominic Thiem will next play defending champion Holger Rune at Paris Masters.
Three-time major winner Wawrinka, 38, was hoping to capture a 17th career title but first since Geneva in 2017.
Novak Djokovic made the Wimbledon fourth round for the 15th time on Friday, beating old rival Stan Wawrinka and a night-time curfew as Andy Murray hinted his All England Club days may be over
British two-time champion Andy Murray lost the first set of a high-class contest but roared back to lead 6-7 (3/7), 7-6 (7/2), 6-4 when the Centre Court duel was halted just before the All England Club curfew of 11pm
Alexander Zverev defeated three-time major winner Stan Wawrinka in the Davis Cup on Friday as the German star returned to the courts for the first time since being cleared of domestic abuse.
Andy Murray won his first hardcourt match of the summer on Monday, defeating Stan Wawrinka 7-6 (7/3), 5-7, 7-5 in the opening round of the ATP/WTA Cincinnati Masters
World number one Daniil Medvedev said Monday he will carry on as usual at this week's ATP Montreal Masters despite the absence of his major rivals.
Stan Wawrinka believes he has what it takes to get back to playing "great tennis" again, the former world number three said after claiming his first victory in 15 months at the Italian Open.
Murray River Open: Nick Kyrgios, who has a history on-court blow-ups, is playing his first tournament in a year after a wrist injury and then the coronavirus pandemic brought his 2020 season to a halt.