Arthur Rinderknech and Stefanos Tsitsipas meet in the quarterfinal at Gstaad on Friday. Arthur Rinderknech comes in at 5 wins from the last ten. Stefanos Tsitsipas comes in at 4 wins from the last ten.
Stefanos Tsitsipas has had the better of this rivalry, winning 2 of 2 against Arthur Rinderknech.
On paper it's close: comparable ratings, comparable serve numbers, small margins everywhere. A tiebreak or two would surprise nobody, with Rinderknech fractionally more likely to land the big points.