Sebastian Baez def. Christopher O'Connell — Round of 32, Swiss Indoors 2023

What decided it

• Baez broke 5 times from 12 chances, O'Connell 2 from 3
• Baez won 45% behind his second serve, O'Connell 53%
• The first set went to a tiebreak, O'Connell took it 7–3
• Baez came back from a set down
• 12 aces and 1 double faults from O'Connell