Bradley Klahn defeated Marc Polmans 6-2 0-6 6-2 in the US Open qualifying round of 128 on hard.
Klahn B. came through in three sets.
Bradley Klahn beat Marc Polmans 6-2 0-6 6-2. Umpiry, "Bradley Klahn vs Marc Polmans — US Open Qualifying Round of 128", https://umpiry.com/match/2017-08-22/klahn-vs-polmans-us-open-q128?utm_source=cite (as of 22 August 2017).