Round: 25 Ground: Hardcourt indoor
| ATP Montreal Qual | 2015/08/08 16:05 | Lu, Yen-Hsun v Volfson, David | 6-1,6-1 |
| ITF Latvia F1 | 2015/08/06 07:00 | Slobodchikov, Ronald v Volfson, David | 0-6,7-5,6-4 |
| ITF Latvia F1 | 2015/08/04 08:55 | Martos Gornes, Sergio v Volfson, David | 2-6,2-6 |
| ITF Estonia F1 | 2015/07/27 08:00 | Eero Vasa v Volfson, David | 1-6,6-2,1-6 |
| ITF Lithuania F1 | 2015/07/21 09:15 | Volfson, David v Granollers, Gerard | 0-6,4-6 |
| ITF Great Britain F6 | 2015/07/07 09:00 | Volfson, David v Strachan, Bruce | 4-6,7-5,2-6 |
| ITF USA F20 | 2015/07/02 16:45 | Volfson, David v Torpegaard, Mikael | 2-6,3-6 |
| ITF Turkey F19 | 2015/05/14 07:00 | Chen, Ti v Volfson, David | 3-6,6-4,6-4 |
| ITF Canada F8 | 2015/09/04 19:40 | Singh, Sanam v Dancevic, Frank | 6-7,3-6 |
| ITF Canada F8 | 2015/09/03 16:00 | Singh, Sanam v Smith, Raleigh | 6-1,6-4 |
| ITF Canada F8 | 2015/09/02 17:35 | Singh, Sanam v Patino, Luis | 7-5,6-4 |
| ITF USA F25 | 2015/08/13 14:30 | Alex Rybakov v Singh, Sanam | 6-3,7-5 |
| ITF USA F25 | 2015/08/12 14:00 | Zieba, Konrad v Singh, Sanam | 6-4,6-7,2-6 |
| ITF USA F21 | 2015/07/05 15:00 | Mitchell Krueger v Singh, Sanam | 6-7,6-7 |
| ITF USA F21 | 2015/07/04 14:30 | Singh, Sanam v Noah Rubin | 6-2,7-5 |
| ITF USA F21 | 2015/07/03 14:00 | Singh, Sanam v Tennys Sandgren | 6-7,6-2,6-3 |