Alexander Shevchenko def. Stan Wawrinka — Round of 32, Swiss Indoors 2023

What decided it

• Shevchenko broke 3 times from 5 chances, Wawrinka 1 from 4
• Wawrinka won 56% behind his second serve, Shevchenko 65%
• The second set went to a tiebreak, Shevchenko took it 10–8
• 11 aces and 0 double faults from Wawrinka