Sungbeen Sim defeated Luc Koenig 6-3 6-1 in the M15 Monastir 21 qualifying round of 32 on hard.
Sim S. took it in straight sets.
Sungbeen Sim beat Luc Koenig 6-3 6-1. Umpiry, "Sungbeen Sim vs Luc Koenig — M15 Monastir 21 Qualifying Round of 32", https://umpiry.com/match/2021-06-07/koenig-vs-sim-m15-monastir-21-q32?utm_source=cite (as of 7 June 2021).