Florian Mayer defeated Hubert Hurkacz 1-6 7-6 6-4 7-5 in the GER vs POL round robin on clay.
Mayer F. came through in four sets.
Florian Mayer beat Hubert Hurkacz 1-6 7-6 6-4 7-5. Umpiry, "Florian Mayer vs Hubert Hurkacz — GER vs POL Round Robin", https://umpiry.com/match/2016-09-16/hurkacz-vs-mayer-ger-vs-pol-rr?utm_source=cite (as of 16 September 2016).