Stadium: Court 3 Round: 26 Ground: Clay
| ITF Turkey F31 MD | 2018/10/11 11:30 | Guttau/Von Massow v Ergeneman/Turker | 6-7,6-7 |
| ITF Turkey F31 MD | 2018/10/10 11:30 | Kiyamov/Ratniuk v Guttau/Von Massow | 2-6,7-6,8-10 |
| 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 - HD | 2018/07/10 13:30 | Gonzalez/Koolhof v Guttau/Von Massow | 7-6,6-1 |