| ITF M15 Troisdorf MD | 05/09 13:30 | 27 | Walder J / Walder J v Wehnelt K / Zuk K | 0-6,2-6 | |
| ITF M15 Troisdorf MD | 05/07 15:00 | 26 | Lemstra K / Link J V v Walder J / Walder J | 5-7,4-6 | |
| ITF - M15 Antalya - Doubles Hommes | 04/23 11:30 | 26 | Forejtek J / Mertl J v Walder J / Walder J | 6-4,6-2 | |
| ITF - M15 Antalya - Doubles Hommes | 03/21 10:30 | 27 | Walder J / Walder J v Lomakin G / Orlov V | 4-6,1-6 |