Roger Rogowski advanced when Marek Semjan retired 6-2 in the M15 Wroclaw 1 qualifying round of 32.
Rogowski R. advanced when Semjan M. retired.
Roger Rogowski beat Marek Semjan 6-2 after Marek Semjan retired. Umpiry, "Roger Rogowski vs Marek Semjan — M15 Wroclaw 1 Qualifying Round of 32", https://umpiry.com/match/2019-07-01/rogowski-vs-semjan-m15-wroclaw-1-q32?utm_source=cite (as of 1 July 2019).