Round: 28 Ground: Hardcourt indoor
| Challenger Dallas | 2015/02/04 21:40 | Smyczek, Tim v Harrison, Ryan | 6-2,3-6,6-1 |
| Challenger Tiburon | 2014/10/07 23:00 | Harrison, Ryan v Smyczek, Tim | 3-6,3-6 |
| Challenger Columbus | 2015/09/25 15:00 | Smyczek, Tim v Bangoura, Sekou | 6-3,6-3 |
| Challenger Columbus | 2015/09/21 20:30 | Smyczek, Tim v Quigley, Eric | 6-4,6-7,6-3 |
| US Open, New York, USA | 2015/08/31 17:40 | Milos Raonic v Smyczek, Tim | 6-4,7-6,6-1 |
| ATP Cincinnati Qual | 2015/08/15 14:00 | Giraldo, Santiago v Smyczek, Tim | 6-4,6-4 |
| ATP Montreal Qual | 2015/08/08 16:00 | Gonzalez, Alejandro v Smyczek, Tim | 6-2,7-5 |
| Washington, USA | 2015/08/05 02:35 | Dolgopolov, Aleksandr v Smyczek, Tim | 6-4,6-2 |
| Newport, USA | 2015/07/14 15:00 | Smyczek, Tim v Hernych, Jan | 3-6,4-6 |
| Wimbledon, London, Great Britain | 2015/06/30 12:25 | Smyczek, Tim v Fabio Fognini | 4-6,3-6,2-6 |
| Challenger Columbus | 2015/09/25 17:00 | Harrison, Ryan v Henri Laaksonen | 6-3,6-3 |
| Challenger Columbus | 2015/09/24 16:45 | Harrison, Ryan v Quentin Halys | 6-4,6-3 |
| Challenger Columbus | 2015/09/22 20:30 | Harrison, Ryan v Bossel, Adrien | 6-4,6-2 |
| US Open, New York, USA | 2015/09/01 23:20 | Ram, Rajeev v Harrison, Ryan | 7-6,6-4,6-1 |
| ATP Cincinnati Qual | 2015/08/15 23:05 | Harrison, Ryan v Thanasi Kokkinakis | 5-7,6-3,6-7 |
| ATP Montreal Qual | 2015/08/08 20:00 | Denis Kudla v Harrison, Ryan | 6-4,6-2 |
| Washington, USA | 2015/08/03 20:00 | James Duckworth v Harrison, Ryan | 6-1,7-6 |
| ATP Washington Qual | 2015/08/01 16:40 | Clezar, Guilherme v Harrison, Ryan | 3-6,7-6,2-6 |