Stadium: Court 8 Round: 27 Ground: Hardcourt outdoor
| ITF Bulgaria F1 | 2018/05/17 07:00 | Markos Kalovelonis v Vasil Kirkov | 7-6,4-6,3-6 |
| ITF Bulgaria F1 | 2018/05/16 08:20 | Markos Kalovelonis v Daniil Zarichanskiy | 6-1,6-3 |
| ITF Uzbekistan F2 | 2018/04/25 09:00 | Markos Kalovelonis v Dzmitry Zhyrmont | 5-7,3-6 |
| ITF Uzbekistan F2 | 2018/04/24 14:45 | Shonigmatjon Shofayziyev v Markos Kalovelonis | 1-6,5-7 |
| ITF Kazakhstan F4 | 2018/04/18 06:30 | Markos Kalovelonis v Teymuraz Gabashvili | 4-6,3-6 |
| ITF Kazakhstan F4 | 2018/04/17 05:50 | Markos Kalovelonis v Matvey Khomentovskiy | 7-6,7-6 |
| Davis Cup | 2018/04/06 10:15 | Ljubomir Celebic v Markos Kalovelonis | 6-2,6-1 |
| Davis Cup | 2018/04/04 09:10 | Martins Podzus v Markos Kalovelonis | 3-6,4-6 |
| ITF Mexico F3 | 2018/05/25 23:00 | Alejandro Gomez v Adam El Mihdawy | 5-7,6-3,6-7 |
| ITF Mexico F3 | 2018/05/24 18:30 | Wilfredo Gonzalez v Alejandro Gomez | 2-6,6-3,6-7 |
| ITF Mexico F3 | 2018/05/23 15:00 | Edward Bourchier v Alejandro Gomez | 4-6,3-6 |
| ITF Mexico F3 | 2018/05/21 17:00 | Tyler Mercier v Alejandro Gomez | 3-6,4-6 |
| ITF Mexico F2 | 2018/05/17 18:00 | Alejandro Gomez v Junior Alexander Ore | 3-6,6-3,3-6 |
| ITF Mexico F2 | 2018/05/15 18:45 | Alejandro Gomez v Julian Bradley | 7-6,6-4 |
| Challenger Puerto Vallarta | 2018/04/30 22:00 | Tigre Hank v Alejandro Gomez | 6-4,2-6,7-6 |
| Challenger Leon Qual | 2018/04/23 16:00 | Roberto Cid Subervi v Alejandro Gomez | 3-6,6-3,6-3 |