Stadium: Court Berasategui Round: 26 Ground: Hardcourt outdoor
| ITF Spain F17 | 2018/07/02 09:00 | Denis Yevseyev v Valentin Vacherot | 6-4,6-3 |
| ITF Spain F16 | 2018/06/28 18:55 | Kaichi Uchida v Denis Yevseyev | 2-6,6-3,4-6 |
| ITF Spain F16 | 2018/06/27 17:00 | Adil Kalyanpur v Denis Yevseyev | 5-7,5-7 |
| ITF Spain F16 | 2018/06/25 07:30 | Javier Barranco Cosano v Denis Yevseyev | 5-7,7-5,2-6 |
| Fergana, Uzbekistan | 2018/06/18 08:05 | Denis Yevseyev v Aldin Setkic | 3-6,3-6 |
| Challenger Almaty | 2018/06/12 04:00 | Denis Yevseyev v Munoz-De la Nava, Daniel | 4-6,6-7 |
| Shymkent 2, Kazakhstan | 2018/06/05 04:00 | Nedelko, Ivan v Denis Yevseyev | 7-5,6-3 |
| Turkey F20, Singles Qualifying | 2018/05/27 07:30 | Tashi, Vullnet v Denis Yevseyev | 1-6,0-6 |
| ITF Spain F17 | 2018/07/03 08:00 | Blanco Guadalupe, Jorge v Boris Arias | 2-6,6-2,4-6 |
| ITF Spain F17 Qual | 2018/07/01 10:00 | Boris Arias v Inaki Montes-De La Torre | 4-6,6-3,6-0 |
| ITF Spain F17 Qual | 2018/06/30 10:20 | Boris Arias v Mikel Martinez | 6-3,6-1 |
| ITF Spain F16 | 2018/06/26 16:00 | Hoyt, Evan v Boris Arias | 6-2,7-5 |
| ITF Spain F16 Qual | 2018/06/24 07:30 | Boris Arias v Anthony Popyrin | 6-2,6-4 |
| ITF Mexico F2 | 2018/05/15 15:30 | Findel-Hawkins, Jack v Boris Arias | 4-6,6-2,6-3 |
| ITF Mexico F2 | 2018/05/14 16:00 | Boris Arias v Merino, Alexander | 6-4,6-4 |
| ITF Mexico F2 | 2018/05/13 16:00 | Boris Arias v Aydan Gomez Osorio | 6-2,6-1 |