Agustin Eduardo Cuellar Lorberg advanced when Colin Markes retired 1-6 7-5 in the M15 Cancun 4 qualifying round of 64.
Cuellar Lorberg A. advanced when Markes C. retired.
Agustin Eduardo Cuellar Lorberg beat Colin Markes 1-6 7-5 after Colin Markes retired. Umpiry, "Agustin Eduardo Cuellar Lorberg vs Colin Markes — M15 Cancun 4 Qualifying Round of 64", https://umpiry.com/match/2021-10-10/lorberg-vs-markes-m15-cancun-4-q64?utm_source=cite (as of 10 October 2021).