Frederik Nielsen defeated Benjamin Lock 4-6 6-4 6-2 in the USA F31 round of 16 on hard.
Nielsen F. came through in three sets.
Frederik Nielsen beat Benjamin Lock 4-6 6-4 6-2. Umpiry, "Frederik Nielsen vs Benjamin Lock — USA F31 Round of 16", https://umpiry.com/match/2016-10-10/lock-vs-nielsen-usa-f31-r16?utm_source=cite (as of 10 October 2016).