Shao Xuan Zeng defeated John Isner 7-6 7-6 in the USA F18 round of 32 on hard.
Xuan Zeng S. took it in straight sets.
Shao Xuan Zeng beat John Isner 7-6(1) 7-6(5). Umpiry, "Shao Xuan Zeng vs John Isner — USA F18 Round of 32", https://umpiry.com/match/2006-07-17/isner-vs-zeng-usa-f18-r32?utm_source=cite (as of 17 July 2006).