Stadium: Clay 4 Round: 26
| ITF Poland F3 MD | 2018/05/16 12:00 | Kiyamov/Ratniuk v Gray/Wojcik | 3-6,3-6 |
| ITF Poland F2 MD | 2018/05/13 11:00 | Kiyamov/Ratniuk v Daciek/Podzus | 4-6,6-4,7-10 |
| ITF Poland F2 MD | 2018/05/12 15:30 | Chepelev/Haliak v Kiyamov/Ratniuk | 1-6,6-2,8-10 |
| ITF Poland F2 MD | 2018/05/07 15:20 | Kiyamov/Ratniuk v Fitzon/Strombachs | 3-6,6-2,10-2 |
| ITF Turkey F4 MD | 2018/01/30 10:45 | Ono/Tagashira v Kiyamov/Ratniuk | 2-6,2-6 |
| ITF Turkey F30 MD | 2018/10/03 11:30 | Crepaldi/Kirci v Guttau/Von Massow | 7-5,7-6 |
| ITF Netherlands F5 MD | 2018/08/23 08:00 | Guttau/Von Massow v Kestelboim/Mantilla | 2-6,7-5,8-10 |
| ITF Netherlands F5 MD | 2018/08/22 08:00 | Guttau/Von Massow v Bruna/Hermans | 6-1,6-4 |
| ITF Netherlands F5 MD | 2018/08/21 12:15 | Altuna/Lazov v Guttau/Von Massow | 5-7,3-6 |
| Challenger Braunschweig MD | 2018/07/10 13:30 | Gonzalez/Koolhof v Guttau/Von Massow | 7-6,6-1 |