Marius Copil defeated Mischa Zverev 7-5 7-5 in the Basel qualifying round of 16 on hard. The upset overturned the form book — Mischa Zverev came in defending last year's round of 32.
Copil M. took it in straight sets.
Copil M. and Zverev M. faced 2 of the same opponents in the last 12 months. Copil M. went 1–1 (50%) against them, Zverev M. 2–1 (67%).
Only 2 common opponents — too few for any conclusion. Shown without assessment.
Marius Copil beat Mischa Zverev 7-5 7-5. Umpiry, "Marius Copil vs Mischa Zverev — Basel Qualifying Round of 16", https://umpiry.com/match/2018-10-20/copil-vs-zverev-basel-q16?utm_source=cite (as of 20 October 2018).