Stadium: Court 19 Round: 44 Ground: Clay
| ITF Spain F18 Qual | 2018/07/08 10:55 | Florent Bax v Nikita Tatyanin | 7-6,6-3 |
| ITF Spain F18 Qual | 2018/07/07 09:00 | Nikita Tatyanin v Mario Mansilla Diez | 6-3,6-4 |
| ITF Spain F17 Qual | 2018/07/01 17:55 | Nikita Tatyanin v Gabriel Diaz Freire | 5-7,2-6 |
| ITF Spain F17 Qual | 2018/07/01 09:00 | Nikita Tatyanin v Asier U Morillas | 6-2,6-2 |
| ITF Spain F11 | 2018/05/12 13:30 | Carles Batlle v Nikita Tatyanin | 2-6,7-5,6-0 |
| ITF Spain F10 Qual | 2018/04/21 12:00 | Dariusz Lipka v Nikita Tatyanin | 6-3,4-6,6-1 |
| ITF Spain F9 Qual | 2018/04/14 14:30 | Nikita Tatyanin v Facundo Juarez | 3-6,2-6 |
| ITF Spain F5 | 2018/02/15 13:00 | Nikita Tatyanin v Carlos Alcaraz Garfia | 5-7,6-7 |
| ITF Russia F4 Qual | 2018/07/29 07:00 | Andrey Vorobyev v Ivan Kalinin | 6-7,6-4,6-4 |