Marius Copil defeated Jan Lennard Struff 6-4 6-3 in the Bratislava CH round of 16 on hard.
Copil M. took it in straight sets.
Copil M. and Struff J. faced 3 of the same opponents in the last 12 months. Copil M. went 3–0 (100%) against them, Struff J. 0–4 (0%). Copil M. came out better against 3 of 3 comparable opponents, Struff J. against 0 — though 2 of those edges carry caveats (lower-tier event).
Only 3 common opponents — small sample, treat as indicative.
Marius Copil beat Jan Lennard Struff 6-4 6-3. Umpiry, "Marius Copil vs Jan Lennard Struff — Bratislava CH Round of 16", https://umpiry.com/match/2015-11-09/copil-vs-struff-bratislava-ch-r16?utm_source=cite (as of 9 November 2015).