Chris Guccione advanced when Gilles Muller retired 6-4 2-1 in the Los Angeles qualifying round of 32.
Guccione C. advanced when Muller G. retired.
Chris Guccione beat Gilles Muller 6-4 2-1 after Gilles Muller retired. Umpiry, "Chris Guccione vs Gilles Muller — Los Angeles Qualifying Round of 32", https://umpiry.com/match/2010-07-24/guccione-vs-muller-los-angeles-q32?utm_source=cite (as of 24 July 2010).