Herve Grenier advanced past Michal Piekos via walkover in the Poland Masters 2 round of 32.
Grenier H. advanced on a walkover.
Herve Grenier advanced when Michal Piekos withdrew. Umpiry, "Herve Grenier vs Michal Piekos — Poland Masters 2 Round of 32", https://umpiry.com/match/1993-06-27/grenier-vs-piekos-poland-masters-2-r32?utm_source=cite (as of 27 June 1993).