Ivan Baron advanced when Yann Lefebvre retired 6-7 6-3 4-0 in the USA 3 Masters 2 round of 16.
Baron I. advanced when Lefebvre Y. retired.
Ivan Baron beat Yann Lefebvre 6-7 6-3 4-0 after Yann Lefebvre retired. Umpiry, "Ivan Baron vs Yann Lefebvre — USA 3 Masters 2 Round of 16", https://umpiry.com/match/1994-06-10/baron-vs-lefebvre-usa-3-masters-2-r16?utm_source=cite (as of 10 June 1994).