Igor Andreev defeated Paul Henri Mathieu 6-0 6-2 6-1 in the RUS vs FRA round robin on clay. The upset overturned the form book — Paul Henri Mathieu came in leading the head-to-head 1–0. Igor Andreev claimed a first win over Paul Henri Mathieu in two meetings, levelling the head-to-head at 1–1.
Andreev I. took it in straight sets.
Andreev I. and Mathieu P. faced 4 of the same opponents in the last 12 months. Andreev I. went 1–3 (25%) against them, Mathieu P. 1–3 (25%). Results against comparable opponents are close (1 : 0 better-results split).
Only 4 common opponents — small sample, treat as indicative.
Clay: Andreev I. leads 1–0 · Hard: Mathieu P. leads 1–0
Igor Andreev beat Paul Henri Mathieu 6-0 6-2 6-1. Umpiry, "Igor Andreev vs Paul Henri Mathieu — RUS vs FRA Round Robin", https://umpiry.com/match/2005-07-15/andreev-vs-mathieu-rus-vs-fra-rr?utm_source=cite (as of 15 July 2005).