As he advanced to the competition's last 16 round, the Aussie received criticism for his antics during his exciting Wimbledon victory over Tsitsipas.
In the 2022 edition of The Championships, the Greek has beaten Alexander Ritschard and Jordan Thompson.
Tsitsipas was beaten in the quarter-final of the Stuttgart Open by a spirited Andy Murray and was ousted at Halle by Nick Kyrgios in the round of 16.
After a great effort in the second set to tie the match, the World No. 65 grabbed a critical break late in the deciding set to secure a quarter-final berth on his tournament debut.
Andy Murray tapped into his former self on Friday as he beat top seed Stefanos Tsitsipas to make it through to the semis.
The competition is in its 44th year and is part of the ATP Tour 250 series for the year 2022 and it will be played from June 6 to June 12.
As Novak Djokovic beat Stefanos Tsitsipas in the final of the Italian Open, his son, Stefan, won a club competition in Serbia.
The Norwegian Ruud came out as the victor after what was a thrilling contest that saw a brilliant tie-break in the very first set.
Day six saw third seed Rafael Nadal eliminated by Canada's Denis Shapovalov who recorded a fantastic comeback win.
The Greek edged out a 6-3, 5-7, 7-6 (7-4) win against Grigor Dimitrov to make it through to the next round of the competition.