Marat Sharipov defeated Olaf Pieczkowski 6-7 6-2 6-2 in the M15 Doha 4 quarter-final on hard.
Sharipov M. came through in three sets.
Marat Sharipov beat Olaf Pieczkowski 6-7(4) 6-2 6-2. Umpiry, "Marat Sharipov vs Olaf Pieczkowski — M15 Doha 4 Quarter-final", https://umpiry.com/match/2023-10-12/pieczkowski-vs-sharipov-m15-doha-4-qf?utm_source=cite (as of 12 October 2023).