Steve Johnson defeated Ernests Gulbis 6-7 7-6 6-3 6-4 in the US Open round of 64 on hard.
Johnson S. came through in four sets.
Steve Johnson beat Ernests Gulbis 6-7 7-6 6-3 6-4. Umpiry, "Steve Johnson vs Ernests Gulbis — US Open Round of 64", https://umpiry.com/match/2012-08-27/gulbis-vs-johnson-us-open-r64?utm_source=cite (as of 27 August 2012).