Jan-Lennard Struff def. Billy Harris — Round of 16, Sofia 2023

What decided it

• Struff broke twice from 5 chances, Harris 1 from 4
• Harris won 43% behind his second serve, Struff 62%
• The first set went to a tiebreak, Struff took it 7–5
• 11 aces and 2 double faults from Struff