Jan Siemerink defeated Adrian Voinea 6-4 7-6 in the Rotterdam qualifying round of 16 on hard. The upset overturned the form book — Adrian Voinea came in leading the head-to-head 2–1. That levelled the head-to-head at 2–2.
Siemerink J. took it in straight sets.
Siemerink J. and Voinea A. faced 2 of the same opponents in the last 12 months. Siemerink J. went 2–0 (100%) against them, Voinea A. 1–1 (50%).
Only 2 common opponents — too few for any conclusion. Shown without assessment.
Hard: Siemerink J. leads 2–1 · Carpet: Voinea A. leads 1–0
Jan Siemerink beat Adrian Voinea 6-4 7-6(3). Umpiry, "Jan Siemerink vs Adrian Voinea — Rotterdam Qualifying Round of 16", https://umpiry.com/match/2002-02-18/siemerink-vs-voinea-rotterdam-q16?utm_source=cite (as of 18 February 2002).