Nicolas Kiefer defeated Nikolay Davydenko 7-5 6-3 in the Hamburg round of 16 on clay. The upset overturned the form book — Nikolay Davydenko came in defending last year's round of 16. Nicolas Kiefer moved ahead in the head-to-head, 2–1.
Kiefer N. took it in straight sets.
Kiefer N. and Davydenko N. faced 11 of the same opponents in the last 12 months. Kiefer N. went 5–9 (36%) against them, Davydenko N. 8–9 (47%). Results against comparable opponents are close (2 : 3 better-results split).
Clay: Kiefer N. leads 1–0 · Hard: Davydenko N. leads 1–0 · Carpet: Kiefer N. leads 1–0
Nicolas Kiefer beat Nikolay Davydenko 7-5 6-3. Umpiry, "Nicolas Kiefer vs Nikolay Davydenko — Hamburg Round of 16", https://umpiry.com/match/2008-05-15/davydenko-vs-kiefer-hamburg-r16?utm_source=cite (as of 15 May 2008).