Jan Michael Gambill defeated Albert Portas 6-3 7-5 in the Hamburg qualifying round of 16 on clay.
Gambill J. took it in straight sets.
Gambill J. and Portas A. faced 1 of the same opponent in the last 12 months. Gambill J. went 1–0 (100%) against them, Portas A. 0–1 (0%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.
Jan Michael Gambill beat Albert Portas 6-3 7-5. Umpiry, "Jan Michael Gambill vs Albert Portas — Hamburg Qualifying Round of 16", https://umpiry.com/match/2000-05-15/gambill-vs-portas-hamburg-q16?utm_source=cite (as of 15 May 2000).