Igor Andreev defeated Tommy Haas 6-2 6-2 6-2 in the RUS vs GER round robin on clay.
Andreev I. took it in straight sets.
Andreev I. and Haas T. faced 5 of the same opponents in the last 12 months. Andreev I. went 3–3 (50%) against them, Haas T. 6–2 (75%). Haas T. came out better against 3 of 5 comparable opponents, Andreev I. against 1 — though 1 of those edges carries caveats (retirement).
Igor Andreev beat Tommy Haas 6-2 6-2 6-2. Umpiry, "Igor Andreev vs Tommy Haas — RUS vs GER Round Robin", https://umpiry.com/match/2007-09-21/andreev-vs-haas-rus-vs-ger-rr?utm_source=cite (as of 21 September 2007).