Jan Siemerink defeated Johan Van Herck 6-4 6-3 4-6 6-1 in the BEL vs NED round robin on clay. The upset overturned the form book — Johan Van Herck came in leading the head-to-head 1–0. Jan Siemerink claimed a first win over Johan Van Herck in two meetings, levelling the head-to-head at 1–1.
Siemerink J. came through in four sets.
Siemerink J. and Van Herck J. faced 1 of the same opponent in the last 12 months. Siemerink J. went 0–1 (0%) against them, Van Herck J. 0–1 (0%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.
Clay: Siemerink J. leads 1–0 · Hard: Van Herck J. leads 1–0
Jan Siemerink beat Johan Van Herck 6-4 6-3 4-6 6-1. Umpiry, "Jan Siemerink vs Johan Van Herck — BEL vs NED Round Robin", https://umpiry.com/match/1998-04-03/herck-vs-siemerink-bel-vs-ned-rr?utm_source=cite (as of 3 April 1998).