Stadium: Stadium Court 2 Round: 25 Ground: Clay
| ITF USA F14 | 2018/06/14 16:00 | Volfson, David v Baughman, Deiton | 6-2,3-6,6-7 |
| ITF USA F14 | 2018/06/12 21:00 | Fugate, Marcus v Volfson, David | 6-7,3-6 |
| ITF USA F5 | 2018/01/23 16:40 | Volfson, David v Pla Malfeito, Jaume | 3-6,4-6 |
| ITF USA F5 | 2018/01/22 15:00 | Trombetta, Ty v Volfson, David | 1-6,6-3,3-6 |
| ITF USA F4 | 2018/01/18 16:40 | Volfson, David v Roberto Cid Subervi | 2-6,2-6 |
| ITF USA F4 | 2018/01/17 17:00 | Redlicki, Michael v Volfson, David | 3-6,7-6,4-6 |
| ITF USA F4 | 2018/01/15 15:00 | Volfson, David v Karl Poling | 6-4,2-6,6-3 |
| ITF USA F4 | 2018/01/14 19:00 | Volfson, David v Hinojosa, Santiago | 6-2,6-1 |
| Coupe Davis | 2018/04/08 07:55 | Godamanna, Harshana v Rungkat, Christopher | 4-6,6-4,6-7 |
| Coupe Davis | 2018/04/07 06:30 | Godamanna, Harshana v Susanto, David Agung | 6-3,6-1 |
| Coupe Davis | 2017/07/22 05:30 | Godamanna, Harshana v Zayed, Mousa Shanan | 6-3,6-3 |
| Coupe Davis | 2017/07/20 04:00 | Godamanna, Harshana v Makzoume, Yacoub | 6-1,6-3 |
| Coupe Davis | 2017/07/19 03:50 | Godamanna, Harshana v Kelley, Heve | 6-1,6-3 |
| Coupe Davis | 2017/07/17 04:30 | Godamanna, Harshana v Adas, Seif | 6-3,6-2 |
| Sri Lanka F3, Singles Qualifying | 2017/07/05 03:30 | Godamanna, Harshana v Ornago, Fabrizio | 4-6,2-6 |
| ITF Sri Lanka F2 | 2017/07/02 03:00 | Godamanna, Harshana v Petrone, Alessandro | 1-6,4-6 |