Christopher O'Connell def. Stefanos Tsitsipas — Round of 64, National Bank Open 2025
🇨🇦
National Bank Open 2025
Masters 1000HardCanada
Played30 Jul 2025
Rounds
🇦🇺ranked ATP number 77 going into this drawWon
C. O'Connell 6 4 6
🇬🇷ranked ATP number 29 going into this draw
Stefanos Tsitsipas seeded 23 4 6 2