Frantisek Cermak defeated Jiri Vanek 3-6 6-1 6-4 in the Germany F2 round of 16 on clay. The upset overturned the form book — Jiri Vanek came in leading the head-to-head 2–0. Frantisek Cermak claimed a first win over Jiri Vanek in three meetings, narrowing the head-to-head to 2–1.
Cermak F. came through in three sets.
Clay: level 1–1 · Carpet: Vanek J. leads 1–0
Frantisek Cermak beat Jiri Vanek 3-6 6-1 6-4. Umpiry, "Frantisek Cermak vs Jiri Vanek — Germany F2 Round of 16", https://umpiry.com/match/1999-05-12/cermak-vs-vanek-germany-f2-r16?utm_source=cite (as of 12 May 1999).