Round: 28 Ground: Hardcourt indoor
| 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 |
| ATP Cincinnati Qual | 2015/08/15 14:00 | Santiago Giraldo v Tim Smyczek | 6-4,6-4 |
| ATP Montreal Qual | 2015/08/08 16:00 | Alejandro Gonzalez v Tim Smyczek | 6-2,7-5 |
| ATP Washington | 2015/08/05 02:35 | Alexandr Dolgopolov v Tim Smyczek | 6-4,6-2 |
| ATP Newport | 2015/07/14 15:00 | Tim Smyczek v Jan Hernych | 3-6,4-6 |
| Wimbledon | 2015/06/30 12:25 | Tim Smyczek v Fabio Fognini | 4-6,3-6,2-6 |
| Challenger Savannah | 2015/04/24 20:55 | Tim Smyczek v James McGee | 0-6,3-6 |
| Challenger Savannah | 2015/04/23 16:15 | Tim Smyczek v Tennys Sandgren | 6-1,3-6,6-0 |
| Challenger Savannah | 2015/04/21 23:10 | Tim Smyczek v Stefan Kozlov | 6-4,6-1 |
| ATP Cincinnati Qual | 2015/08/15 23:05 | Ryan Harrison v Thanasi Kokkinakis | 5-7,6-3,6-7 |
| ATP Montreal Qual | 2015/08/08 20:00 | Denis Kudla v Ryan Harrison | 6-4,6-2 |
| ATP Washington | 2015/08/03 20:00 | James Duckworth v Ryan Harrison | 6-1,7-6 |
| ATP Washington Qual | 2015/08/01 16:40 | Guilherme Clezar v Ryan Harrison | 3-6,7-6,2-6 |
| ATP Newport | 2015/07/14 18:05 | Ryan Harrison v Yuichi Sugita | 1-6,7-5,3-6 |
| Wimbledon Qual | 2015/06/22 17:45 | Guido Andreozzi v Ryan Harrison | 7-6,4-6,6-4 |
| ATP Halle Qual | 2015/06/13 10:30 | Ryan Harrison v Tatsuma Ito | 4-6,2-6 |
| ATP Houston Qual | 2015/04/04 16:45 | Thiago Monteiro v Ryan Harrison | 4-6,7-6,6-2 |