Juan Martin del Potro defeated Ivo Minar 6-1 6-3 6-3 in the CZE vs ARG round robin on carpet.
del Potro J. took it in straight sets.
del Potro J. and Minar I. faced 4 of the same opponents in the last 12 months. del Potro J. went 5–0 (100%) against them, Minar I. 1–3 (25%). del Potro J. came out better against 2 of 3 comparable opponents, Minar I. against 0 — though 1 of those edges carries caveats (retirement).
Only 4 common opponents — small sample, treat as indicative.
Juan Martin del Potro beat Ivo Minar 6-1 6-3 6-3. Umpiry, "Juan Martin del Potro vs Ivo Minar — CZE vs ARG Round Robin", https://umpiry.com/match/2009-07-10/minar-vs-potro-cze-vs-arg-rr?utm_source=cite (as of 10 July 2009).