Adam Chadaj defeated Piotr Grynkowski 6-4 6-1 in the Poland F11 round of 32 on clay. The result followed the form book — Adam Chadaj came in leading the head-to-head 1–0. Adam Chadaj extended the head-to-head to 2–0.
Chadaj A. took it in straight sets.
Adam Chadaj beat Piotr Grynkowski 6-4 6-1. Umpiry, "Adam Chadaj vs Piotr Grynkowski — Poland F11 Round of 32", https://umpiry.com/match/2017-08-28/chadaj-vs-grynkowski-poland-f11-r32?utm_source=cite (as of 28 August 2017).