Nicolas Mahut defeated Soon Woo Kwon 6-3 6-4 in the US Open qualifying round of 128 on hard. The result followed the form book — Nicolas Mahut came in defending last year's round of 32.
Mahut N. took it in straight sets.
Nicolas Mahut beat Soon Woo Kwon 6-3 6-4. Umpiry, "Nicolas Mahut vs Soon Woo Kwon — US Open Qualifying Round of 128", https://umpiry.com/match/2017-08-23/kwon-vs-mahut-us-open-q128?utm_source=cite (as of 23 August 2017).