Witt A. came through in three sets.
Hard: Witt A. leads 1–0 · Clay: Witt A. leads 1–0
Alex Witt beat Rafael De Mesa 6-1 3-6 6-1. Umpiry, "Alex Witt vs Rafael De Mesa — Mexico F2 Round of 16", https://umpiry.com/match/1999-05-31/mesa-vs-witt-mexico-f2-r16?utm_source=cite (as of 31 May 1999).