Stefan Koubek defeated Andreas Vinciguerra 6-3 6-4 in the Doha quarter-final on hard.
Koubek S. took it in straight sets.
Koubek S. and Vinciguerra A. faced 1 of the same opponent in the last 12 months. Koubek S. went 0–1 (0%) against them, Vinciguerra A. 0–1 (0%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.
Stefan Koubek beat Andreas Vinciguerra 6-3 6-4. Umpiry, "Stefan Koubek vs Andreas Vinciguerra — Doha Quarter-final", https://umpiry.com/match/2003-01-02/koubek-vs-vinciguerra-doha-qf?utm_source=cite (as of 2 January 2003).