Glenn Weiner defeated Diego Ayala 4-6 6-2 6-3 in the USA F10 semi-final on hard. The upset overturned the form book — Diego Ayala came in leading the head-to-head 1–0. Glenn Weiner claimed a first win over Diego Ayala in two meetings, levelling the head-to-head at 1–1.
Weiner G. came through in three sets.
Hard: Weiner G. leads 1–0 · Clay: Ayala D. leads 1–0
Glenn Weiner beat Diego Ayala 4-6 6-2 6-3. Umpiry, "Glenn Weiner vs Diego Ayala — USA F10 Semi-final", https://umpiry.com/match/2000-04-17/ayala-vs-weiner-usa-f10-sf?utm_source=cite (as of 17 April 2000).