Round: 25 Ground: Hardcourt outdoor
| ITF France F9 Qual | 2018/05/01 13:20 | Ivan Davydov v Maxime Tabatruong | 6-7,6-7 |
| ITF France F8 Qual | 2018/04/22 10:10 | Ivan Davydov v Paul Gueye | 6-4,6-7,4-6 |
| ITF Turkey F13 | 2018/04/05 07:00 | Marsel Ilhan v Ivan Davydov | 6-7,6-4,6-4 |
| ITF Turkey F13 | 2018/04/04 07:00 | Denis Klok v Ivan Davydov | 6-3,2-6,3-6 |
| ITF Turkey F13 | 2018/04/02 07:00 | Ivan Davydov v Francisco Cerundolo | 4-6,6-4,7-6 |
| ITF Turkey F13 | 2018/04/01 10:30 | Ivan Davydov v Sabit Suntic | 6-1,6-1 |
| ITF Turkey F13 | 2018/03/31 06:30 | Ivan Davydov v Pelle Boerma | 6-4,6-3 |
| ITF Tunisia F11 | 2018/03/17 08:00 | Ivan Davydov v Gabriele Maria Noce | 6-3,2-6,3-6 |
| ITF Turkey F18 | 2018/05/07 07:30 | Horst Rieder v Edoardo Bottino | 7-5,6-1 |
| ITF Turkey F18 | 2018/05/06 07:30 | Horst Rieder v Leonid Mazo | 6-2,6-1 |
| ITF Italy F7 Qual | 2018/04/09 11:00 | Horst Rieder v Remy Bertola | 1-6,4-6 |
| ITF Italy F7 Qual | 2018/04/07 12:00 | Horst Rieder v Moritz Trocker | 7-5,3-6,6-4 |
| ITF Italy F6 Qual | 2018/04/01 16:00 | Nicolo Turchetti v Horst Rieder | 6-2,6-4 |
| ITF Croatia F3 | 2018/03/20 09:00 | Tom Kocevar-Desman v Horst Rieder | 6-2,6-1 |
| ITF Croatia F3 | 2018/03/18 08:00 | Mateo Bubalo v Horst Rieder | 3-6,2-6 |
| ITF Italy F3 Qual | 2018/03/12 19:30 | Tommaso Gabrieli v Horst Rieder | 7-5,7-5 |