Billy Harris def. Marc-Andrea Huesler — Round of 32, Sofia 2023

What decided it

• Huesler won more points, 109 to 106
• Harris broke once from 14 chances, Huesler 1 from 2
• Harris won 42% behind his second serve, Huesler 50%
• The third set went to a tiebreak, Harris took it 7–5
• 12 aces and 5 double faults from Huesler