Steve Darcis defeated Alexander Zverev 2-6 6-4 6-4 7-6 in the BEL vs GER round robin on hard.
Darcis S. came through in four sets.
Darcis S. and Zverev A. faced 1 of the same opponent in the last 12 months. Darcis S. went 0–1 (0%) against them, Zverev A. 1–0 (100%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.
Steve Darcis beat Alexander Zverev 2-6 6-4 6-4 7-6. Umpiry, "Steve Darcis vs Alexander Zverev — BEL vs GER Round Robin", https://umpiry.com/match/2017-02-03/darcis-vs-zverev-bel-vs-ger-rr?utm_source=cite (as of 3 February 2017).