Sumit Nagal defeated Hubert Hurkacz 2-6 6-3 6-2 in the Poland F10 qualifying round on clay. The upset overturned the form book — Hubert Hurkacz came in ranked #34.
Nagal S. came through in three sets.
Sumit Nagal beat Hubert Hurkacz 2-6 6-3 6-2. Umpiry, "Sumit Nagal vs Hubert Hurkacz — Poland F10 Qualifying Round", https://umpiry.com/match/2017-08-21/hurkacz-vs-nagal-poland-f10-qf?utm_source=cite (as of 21 August 2017).