Pavel Kotov defeated C. O'Connell 6-3 6-7 7-6 in the Marrakech quarter-final on clay. The upset overturned the form book — C. O'Connell came in ranked #117, leading the head-to-head 1–0. Pavel Kotov claimed a first win over C. O'Connell in two meetings, levelling the head-to-head at 1–1.
Kotov P. came through in three sets.
Clay: Kotov P. leads 1–0 · Hard: O'Connell C. leads 1–0
Pavel Kotov beat C. O'Connell 6-3 6-7(6) 7-6(3). Umpiry, "Pavel Kotov vs C. O'Connell — Marrakech Quarter-final", https://umpiry.com/match/2023-04-07/kotov-vs-o-connell-marrakech-qf?utm_source=cite (as of 7 April 2023).