Round: 26 Ground: Hardcourt indoor
| Challenger - Columbus | 2015/09/26 17:00 | Tim Smyczek v Ryan Harrison | 6-7,7-6,1-6 |
| Challenger - Dallas | 2015/02/04 21:40 | Tim Smyczek v Ryan Harrison | 6-2,3-6,6-1 |
| Challenger - Tiburon | 2014/10/07 23:00 | Ryan Harrison v Tim Smyczek | 3-6,3-6 |
| Challenger - Knoxville | 2015/11/10 19:10 | Ryan Harrison v Blaz Kavcic | 2-6,4-6 |
| Challenger - Charlottesville | 2015/11/05 00:05 | Henri Laaksonen v Ryan Harrison | 7-5,7-5 |
| Challenger - Charlottesville | 2015/11/02 23:30 | Tennys Sandgren v Ryan Harrison | 5-7,3-6 |
| Challenger - Las Vegas | 2015/10/20 21:00 | Michael Mmoh v Ryan Harrison | 6-2,6-3 |
| Challenger - Fairfield | 2015/10/12 23:30 | Darian King v Ryan Harrison | 6-4,7-5 |
| Challenger - Tiburon | 2015/09/29 20:25 | Ryan Harrison v Deiton Baughman | 6-3,6-3 |
| Challenger - Columbus | 2015/09/27 15:00 | Ryan Harrison v Dennis Novikov | 4-6,6-3,3-6 |
| Challenger - Columbus | 2015/09/26 17:00 | Tim Smyczek v Ryan Harrison | 6-7,7-6,1-6 |
| Challenger - Dallas | 2016/02/02 03:10 | Mitchell Krueger v Tim Smyczek | 4-6,3-6 |
| Challenger - Knoxville | 2015/11/12 15:00 | Jared Donaldson v Tim Smyczek | 7-5,7-6 |
| Challenger - Knoxville | 2015/11/11 20:50 | Tommy Paul v Tim Smyczek | 4-6,4-6 |
| Challenger - Charlottesville | 2015/11/04 20:10 | Tim Smyczek v Sekou Bangoura | 6-3,7-6 |
| Challenger - Charlottesville | 2015/11/02 21:50 | Tim Smyczek v Daniel Evans | 6-4,6-4 |
| Challenger - Las Vegas | 2015/10/21 18:00 | Blaz Kavcic v Tim Smyczek | 7-6,6-4 |
| Challenger - Las Vegas | 2015/10/19 19:00 | Frank Dancevic v Tim Smyczek | 4-6,2-6 |
| Challenger - Fairfield | 2015/10/15 23:00 | Tim Smyczek v Taylor Fritz | 2-6,3-6 |