stadio: Court 22 Round: 60 Ground: Clay
| ITF USA F30 | 2018/11/04 16:00 | Sergio G Montesa v Chase Ferguson | 3-6,4-6 |
| ITF USA F30 | 2018/11/03 16:00 | Sergio G Montesa v Alan Magadan | 6-0,6-1 |
| ITF Spagna F21 - Qual. | 2018/07/28 07:00 | Zakhar Trapeznikov v Sergio G Montesa | 4-6,6-4,6-2 |
| ITF Spagna F20 - Qual. | 2018/07/22 08:30 | Sergio G Montesa v Loic Perret | 6-7,7-6,2-6 |
| ITF Spagna F20 - Qual. | 2018/07/21 08:30 | Sergio G Montesa v Hans Albert Schubert | 6-1,6-7,7-6 |
| ITF Spagna F5 | 2018/02/10 13:30 | Francisco Andreu Garcia v Sergio G Montesa | 2-6,6-1,6-0 |
| ITF Spagna F1 | 2018/01/13 09:00 | Sergio G Montesa v Samy Grace | 2-6,7-5,6-7 |
| ITF Spagna F33 | 2017/10/07 11:30 | Sergio G Montesa v Carles Batlle | 6-7,4-6 |
| ITF USA F21 - Qual. | 2018/07/30 15:00 | Boris Kozlov v Alexander Cozbinov | 6-4,6-7,2-6 |
| ITF USA F20 - Qual. | 2018/07/21 15:00 | Boris Kozlov v Carl Soderlund | 3-6,1-6 |
| ITF USA F19B - Qual. | 2018/07/15 15:00 | Alfredo Perez v Boris Kozlov | 6-3,6-3 |
| ITF USA F19 - Qual. | 2018/07/01 16:00 | Matic Spec v Boris Kozlov | 6-2,6-4 |
| ITF USA F18 | 2018/06/25 19:30 | Jordi Arconada v Boris Kozlov | 6-1,6-3 |
| ITF USA F16 | 2018/06/16 19:00 | Javier Naser v Boris Kozlov | 6-3,4-6,7-6 |
| ITF USA F12 | 2018/04/22 17:00 | Rowland Phillips v Boris Kozlov | 6-3,6-2 |
| ITF USA F11 | 2018/04/13 13:30 | Boris Kozlov v Eric Ahren Moonga | 2-6,6-4,4-6 |