Rafael Nadal defeated Oscar Hernandez 7-5 6-1 in the Hamburg round of 32 on clay. The result followed the form book — Rafael Nadal came in leading the head-to-head 2–0. Rafael Nadal extended the head-to-head to 3–0.
Nadal R. took it in straight sets.
Nadal R. and Hernandez O. faced 3 of the same opponents in the last 12 months. Nadal R. went 3–0 (100%) against them, Hernandez O. 1–2 (33%). Nadal R. came out better against 2 of 3 comparable opponents, Hernandez O. against 0.
Only 3 common opponents — small sample, treat as indicative.
Rafael Nadal beat Oscar Hernandez 7-5 6-1. Umpiry, "Rafael Nadal vs Oscar Hernandez — Hamburg Round of 32", https://umpiry.com/match/2007-05-16/hernandez-vs-nadal-hamburg-r32?utm_source=cite (as of 16 May 2007).