Round: 25 Ground: Hardcourt outdoor
| Challenger Tiburon | 2015/09/28 18:45 | Donaldson, Jared v Darian King | 6-1,6-4 |
| Coupe Davis | 2015/09/20 14:00 | Darian King v Emilio Gomez | 7-5,7-6,6-1 |
| Coupe Davis | 2015/09/18 14:00 | Darian King v Endara, Ivan | 6-4,6-4,6-2 |
| US Open, New York, USA, Qualifying | 2015/08/25 19:10 | Darian King v Zopp, Jurgen | 6-2,3-6,6-7 |
| Washington, USA | 2015/08/03 22:30 | Darian King v Soeda, Go | 2-6,1-6 |
| Challenger Granby | 2015/07/23 22:00 | Darian King v Felix Auger Aliassime | 5-7,3-6 |
| ITF USA F21 | 2015/07/02 13:30 | Darian King v Thompson, Clay | 1-6,2-6 |
| ITF USA F21 | 2015/07/01 13:30 | Darian King v Iftikhar, Samir | 6-0,6-3 |
| Challenger Tiburon | 2015/09/29 20:25 | Harrison, Ryan v Baughman, Deiton | 6-3,6-3 |
| Challenger Columbus | 2015/09/27 15:00 | Harrison, Ryan v Novikov, Dennis | 4-6,6-3,3-6 |
| Challenger Columbus | 2015/09/26 17:00 | Smyczek, Tim v Harrison, Ryan | 6-7,7-6,1-6 |
| 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 |