Yannick Mertens advanced when Benjamin Balleret retired 6-3 4-1 in the Marseille qualifying round of 32.
Mertens Y. advanced when Balleret B. retired.
Yannick Mertens beat Benjamin Balleret 6-3 4-1 after Benjamin Balleret retired. Umpiry, "Yannick Mertens vs Benjamin Balleret — Marseille Qualifying Round of 32", https://umpiry.com/match/2010-02-13/balleret-vs-mertens-marseille-q32?utm_source=cite (as of 13 February 2010).