Rafael Nadal defeated Potito Starace 6-4 7-6 in the Hamburg round of 32 on clay. The result followed the form book — Rafael Nadal came in leading the head-to-head 3–1, defending last year's final. Rafael Nadal extended the head-to-head to 4–1.
Nadal R. took it in straight sets.
Nadal R. and Starace P. faced 4 of the same opponents in the last 12 months. Nadal R. went 7–4 (64%) against them, Starace P. 0–4 (0%). Nadal R. came out better against 4 of 4 comparable opponents, Starace P. against 0 — though 1 of those edges carries caveats (retirement).
Only 4 common opponents — small sample, treat as indicative.