Andy Roddick defeated Stefan Koubek 6-4 6-4 6-2 in the USA vs AUT round robin on hard. The result followed the form book — Andy Roddick came in leading the head-to-head 3–0. Andy Roddick extended the head-to-head to 4–0.
Roddick A. took it in straight sets.
Roddick A. and Koubek S. faced 6 of the same opponents in the last 12 months. Roddick A. went 5–5 (50%) against them, Koubek S. 0–6 (0%). Roddick A. came out clearly better against 4 of 6 comparable opponents, Koubek S. against 0 — though 1 of those edges carries caveats (lower-tier event).
Hard: Roddick A. leads 3–0 · Clay: Roddick A. leads 1–0
Andy Roddick beat Stefan Koubek 6-4 6-4 6-2. Umpiry, "Andy Roddick vs Stefan Koubek — USA vs AUT Round Robin", https://umpiry.com/match/2004-02-06/koubek-vs-roddick-usa-vs-aut-rr?utm_source=cite (as of 6 February 2004).