Tommy Haas defeated John Van Lottum 4-6 7-6 6-3 6-2 in the GER vs NED round robin on carpet. The upset overturned the form book — John Van Lottum came in leading the head-to-head 1–0. Tommy Haas claimed a first win over John Van Lottum in two meetings, levelling the head-to-head at 1–1.
Haas T. came through in four sets.
Haas T. and Van Lottum J. faced 4 of the same opponents in the last 12 months. Haas T. went 2–2 (50%) against them, Van Lottum J. 1–4 (20%). Results against comparable opponents are close (2 : 1 better-results split).
Only 4 common opponents — small sample, treat as indicative.
Carpet: Haas T. leads 1–0 · Grass: Van Lottum J. leads 1–0
Tommy Haas beat John Van Lottum 4-6 7-6 6-3 6-2. Umpiry, "Tommy Haas vs John Van Lottum — GER vs NED Round Robin", https://umpiry.com/match/2000-02-04/haas-vs-lottum-ger-vs-ned-rr?utm_source=cite (as of 4 February 2000).