Tommy Haas defeated Kristof Vliegen 6-7 7-5 6-4 6-2 in the BEL vs GER round robin on clay. The result followed the form book — Tommy Haas came in leading the head-to-head 1–0. Tommy Haas extended the head-to-head to 2–0.
Haas T. came through in four sets.
Haas T. and Vliegen K. faced 9 of the same opponents in the last 12 months. Haas T. went 7–5 (58%) against them, Vliegen K. 3–6 (33%). Haas T. came out better against 4 of 8 comparable opponents, Vliegen K. against 1 — though 2 of those edges carry caveats (retirement, lower-tier event).
Tommy Haas beat Kristof Vliegen 6-7 7-5 6-4 6-2. Umpiry, "Tommy Haas vs Kristof Vliegen — BEL vs GER Round Robin", https://umpiry.com/match/2007-04-06/haas-vs-vliegen-bel-vs-ger-rr?utm_source=cite (as of 6 April 2007).