Juan Balcells defeated Jiri Vanek 6-3 3-6 6-1 in the Hamburg qualifying round of 32 on clay.
Balcells J. came through in three sets.
Balcells J. and Vanek J. faced 1 of the same opponent in the last 12 months. Balcells J. went 1–0 (100%) against them, Vanek J. 1–0 (100%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.
Juan Balcells beat Jiri Vanek 6-3 3-6 6-1. Umpiry, "Juan Balcells vs Jiri Vanek — Hamburg Qualifying Round of 32", https://umpiry.com/match/2001-05-14/balcells-vs-vanek-hamburg-q32?utm_source=cite (as of 14 May 2001).