| ITF Tunisia F14 MD | 2018/04/12 15:30 | Negritu/Vrbensky v Duda/Mertl | 6-3,7-6 |
| ITF Tunisia F14 MD | 2018/04/11 13:15 | Duda/Mertl v Cubelic/Ivanov | 6-4,6-3 |
| ITF Tunisia F9 MD | 2018/03/06 12:30 | Duda/Mertl v Ghorbel/Wang | 4-6,4-6 |
| ITF Tunisia F8 MD | 2018/03/01 13:40 | Dischinger/Onishi v Duda/Mertl | 6-1,3-6,10-3 |
| ITF Switzerland F2 MD | 2018/02/12 11:00 | Duda/Mertl v Alt/Guichoud | 6-1,6-4 |
| ITF Germany F2 MD | 2018/01/23 18:25 | Cachin/Masur v Duda/Mertl | 7-6,3-6,10-4 |
| ITF Egypt F29 MD | 2017/10/10 18:00 | Duda/Mertl v Escoffier/Ghorbel | 7-6,0-6,2-10 |
| ITF Egypt F28 MD | 2017/10/03 17:45 | Duda/Mertl v Taweel/Vilardo | 2-6,6-3,8-10 |