Stadium: Court 3 Round: 44 Ground: Hardcourt outdoor
| ITF Turkey F37 | 2018/11/19 06:30 | Sergio Barranco v David Martirosian | 6-1,6-3 |
| ITF Turkey F36 | 2018/11/10 08:30 | Gabriel Donev v David Martirosian | 6-1,6-1 |
| ITF Turkey F35 | 2018/11/03 09:00 | David Martirosian v Mats Hermans | 2-6,1-6 |
| ITF Austria F5 Qual | 2018/07/29 10:30 | Edward Hubner v David Martirosian | 3-6,6-3,6-0 |
| ITF Austria F4 Qual | 2018/07/21 07:30 | Adam Torocsik v David Martirosian | 6-4,2-6,6-4 |
| ITF Austria F3 | 2018/07/14 07:15 | Shunsuke Wakita v David Martirosian | 6-1,7-5 |
| ITF Croatia F3 | 2018/03/19 09:00 | David Martirosian v Marcell Bartakovics | 2-6,2-6 |
| ITF Dominican Republic F3 | 2018/12/08 15:00 | Tomas Krcma v Osmel Rivera Granja | 1-6,0-6 |
| ITF Dominican Republic F1 | 2018/11/24 14:30 | Credit Chaiyarin v Tomas Krcma | 6-1,6-1 |
| ITF USA F26 Qual | 2018/09/21 21:30 | Jack Vance v Tomas Krcma | 6-1,6-1 |
| ITF Czech Republic F6 | 2018/07/09 08:00 | Marek Jaloviec v Tomas Krcma | 6-0,6-2 |
| ITF Czech Republic F5 | 2018/07/02 14:30 | Marek Jaloviec v Tomas Krcma | 6-1,6-0 |
| ITF Czech Republic F4 | 2018/06/25 14:25 | Lukas Rosol v Tomas Krcma | 6-1,6-0 |
| ITF USA F11 | 2018/04/14 15:00 | Conor Berg v Tomas Krcma | 6-2,6-1 |
| ITF USA F6 | 2018/01/26 13:30 | Louis Siegler v Tomas Krcma | 6-0,6-1 |