Jan-Lennard Struff def. Fabian Marozsan — Quarterfinal, Sofia 2023

What decided it

• Struff broke 4 times from 8 chances, Marozsan 4 from 7
• Marozsan won 34% behind his second serve, Struff 42%
• The first set went to a tiebreak, Struff took it 7–3
• 13 aces and 4 double faults from Struff