Round: 62 Ground: Clay
| ITF Austria F3 | 2018/07/14 12:30 | Ivan Davydov v Marko Ilic | 6-3,6-2 |
| ITF Austria F3 | 2018/07/14 07:15 | Ivan Davydov v Aleksandar Tomas | 6-1,6-2 |
| ITF Czech Republic F6 | 2018/07/10 10:40 | Tomas Jirousek v Ivan Davydov | 7-6,7-5 |
| ITF Czech Republic F6 Qual | 2018/07/08 08:00 | Ivan Davydov v Isa Mammetgulyyev | 6-3,6-3 |
| ITF Czech Republic F6 Qual | 2018/07/07 12:30 | Ivan Davydov v Vladimir Reznicek | 6-3,6-3 |
| ITF Tunisia F23 | 2018/06/12 12:50 | Ivan Davydov v Nicolo Turchetti | 2-6,7-5,4-6 |
| ITF Tunisia F22 | 2018/06/07 13:35 | Ivan Davydov v Francois-Arthur Vibert | 3-6,3-6 |
| ITF Tunisia F22 | 2018/06/06 09:00 | Gabriel Petit v Ivan Davydov | 1-6,0-6 |
| ITF Austria F3 | 2018/07/14 12:30 | Martin Zeljenka v Andras Necz | 6-2,6-1 |
| ITF Austria F3 | 2018/07/14 07:15 | Michal Lusovsky v Martin Zeljenka | 3-6,5-7 |
| ITF Hungary F5 Qual | 2018/06/16 08:00 | Strahinja Rakic v Martin Zeljenka | 6-2,6-3 |
| ITF Hungary F4 Qual | 2018/06/11 09:30 | Martin Zeljenka v Gorazd Srbljak | 2-6,1-6 |
| ITF Hungary F4 Qual | 2018/06/10 11:00 | Tomas Liska v Martin Zeljenka | 6-0,6-7,2-6 |
| ITF Hungary F4 Qual | 2018/06/09 08:00 | Martin Zeljenka v James Allemby | 6-2,6-1 |
| ITF Hungary F3 Qual | 2018/05/20 10:00 | Jonathan Morr v Martin Zeljenka | 4-6,7-5,7-6 |
| ITF Hungary F3 Qual | 2018/05/19 10:00 | Martin Zeljenka v Pietro Pirolt | 6-4,6-0 |