Ground: Hardcourt outdoor
| ITF Thailand F9 | 2015/04/30 03:00 | Raymond Sarmiento v Finn Tearney | 2-6,6-3,6-0 |
| ITF Thailand F9 | 2015/04/29 03:00 | Jacob Grills v Raymond Sarmiento | 3-6,5-7 |
| ITF Thailand F9 | 2015/04/27 03:00 | Raymond Sarmiento v Min-Kyu Song | 4-6,6-1,6-1 |
| ITF USA F12 | 2015/04/09 17:15 | Raymond Sarmiento v Philip Bester | 4-6,3-6 |
| ITF USA F12 | 2015/04/08 20:40 | Dennis Uspensky v Raymond Sarmiento | 5-7,6-7 |
| ITF USA F11 Qual | 2015/03/23 18:40 | Ryan Haviland v Raymond Sarmiento | 6-7,3-6 |
| ITF USA F11 Qual | 2015/03/22 17:30 | Jesus Bandres v Raymond Sarmiento | 6-7,3-6 |
| ITF USA F11 Qual | 2015/03/21 16:00 | Junior Alexander Ore v Raymond Sarmiento | 3-6,3-6 |
| ITF Japan F5 | 2015/06/01 01:00 | Ryota Kishi v Ren Nakamura | 6-3,6-4 |
| ITF China F6 | 2015/05/26 06:55 | Ren Nakamura v Xin Gao | 1-6,1-6 |
| ITF China F6 Qual | 2015/05/25 02:00 | Ren Nakamura v Huixin Wang | 7-6,6-1 |
| ITF China F6 Qual | 2015/05/24 02:00 | Ren Nakamura v Weibowen Zou | 6-3,6-1 |
| ITF China F6 | 2015/05/19 02:00 | Chu-Huan Yi v Ren Nakamura | 7-5,7-6 |
| ITF Thailand F9 | 2015/05/05 03:00 | Kento Takeuchi v Ren Nakamura | 6-2,6-0 |
| ITF China F4 Qual | 2015/04/19 02:00 | Ren Nakamura v Aoran Wang | 4-6,1-6 |
| ITF Turkey F6 | 2015/02/07 09:00 | Ren Nakamura v David Novotny | 5-7,0-6 |