Nicolas Kiefer defeated Albert Portas 6-7 6-1 6-2 in the Halle round of 16 on grass. The result followed the form book — Nicolas Kiefer came in defending the title.
Kiefer N. came through in three sets.
Kiefer N. and Portas A. faced 3 of the same opponents in the last 12 months. Kiefer N. went 0–3 (0%) against them, Portas A. 1–2 (33%). Only 2 of the comparisons are context-comparable — too few for a conclusion.
Only 3 common opponents — small sample, treat as indicative.
Nicolas Kiefer beat Albert Portas 6-7 6-1 6-2. Umpiry, "Nicolas Kiefer vs Albert Portas — Halle Round of 16", https://umpiry.com/match/2000-06-12/kiefer-vs-portas-halle-r16?utm_source=cite (as of 12 June 2000).