C. O'Connell defeated Quentin Halys 7-6 7-6 in the Dubai qualifying round on hard. The upset overturned the form book — Quentin Halys came in ranked #48, but C. O'Connell had been the form player, winning 7 of their last 10 on hard.
O'Connell C. took it in straight sets.
C. O'Connell beat Quentin Halys 7-6(6) 7-6(4). Umpiry, "C. O'Connell vs Quentin Halys — Dubai Qualifying Round", https://umpiry.com/match/2023-02-26/halys-vs-o-connell-dubai-qf?utm_source=cite (as of 26 February 2023).