Pavel Filin defeated Adam Chadaj 7-6 7-6 in the Poland F11 qualifying round on clay. The upset overturned the form book — Adam Chadaj came in leading the head-to-head 1–0, but Pavel Filin had been the form player, winning 2 of their last 5 on clay. Pavel Filin claimed a first win over Adam Chadaj in two meetings, levelling the head-to-head at 1–1.
Filin P. took it in straight sets.
Clay: Filin P. leads 1–0 · Hard: Chadaj A. leads 1–0
Pavel Filin beat Adam Chadaj 7-6(4) 7-6(2). Umpiry, "Pavel Filin vs Adam Chadaj — Poland F11 Qualifying Round", https://umpiry.com/match/2017-08-28/chadaj-vs-filin-poland-f11-qf?utm_source=cite (as of 28 August 2017).