Egypt's world champion Ramy Ashour extended his unbeaten run to 36 matches and seven tournaments with victory over James Willstrop at the Kuwait Cup.
The 25-year-old world number one beat England's defending champion 6-11 11-8 11-3 11-3.
Ashour has now won 30 PSA World Series titles and last lost a match in May.
"He's a great person, on and off court," Ashour said of Willstrop. "He's a gentleman and I've learnt a lot from him. He's a great player."
Ashour had come close to losing his unbeaten record in the quarter-finals against compatriot Amr Shabana.
After coming back from two games down, Ashour described it as "one of my toughest ever matches - both mentally and physically".