Colin Markes defeated Stefanos Sakellaridis 7-5 2-6 7-6 in the M15 Monastir 6 round of 32 on hard. The upset overturned the form book — Stefanos Sakellaridis came in leading the head-to-head 1–0, but Colin Markes had been the form player, winning 3 of their last 6 on hard. Colin Markes claimed a first win over Stefanos Sakellaridis in two meetings, levelling the head-to-head at 1–1.
Markes C. came through in three sets.
Colin Markes beat Stefanos Sakellaridis 7-5 2-6 7-6(2). Umpiry, "Colin Markes vs Stefanos Sakellaridis — M15 Monastir 6 Round of 32", https://umpiry.com/match/2023-02-07/markes-vs-sakellaridis-m15-monastir-6-r32?utm_source=cite (as of 7 February 2023).