Stadium: Central Court Round: 27 Ground: Clay
| Challenger Szczecin MD | 2019/09/11 15:40 | Kossek D / Kowalczyk M v Daniel T / Giustino L | 6-2,6-1 |
| Szekesfehervar, Doubles M-ITF-HUN-05A | 2019/09/05 14:10 | Nouza P / Vrbensky M v Kossek D / Kowalczyk M | 3-6,6-3,10-5 |
| Szekesfehervar, Doubles M-ITF-HUN-05A | 2019/09/04 11:55 | Olivieri G A / Ugo Carabelli C v Kossek D / Kowalczyk M | 4-6,6-4,6-10 |
| Bydgoszcz, Doubles M-ITF-POL-04A | 2019/08/13 14:00 | Kossek D / Kowalczyk M v Taylor A / Taylor J | 6-7,6-3,7-10 |
| ITF - M15 Antalya - Doubles Hommes | 2019/05/24 11:05 | Kossek D / Kowalczyk M v Klok D / Korolev V | 3-6,6-4,6-10 |
| ITF - M15 Antalya - Doubles Hommes | 2019/05/23 12:10 | Kossek D / Kowalczyk M v Agabigun S / Ilhan M | 6-3,6-2 |
| ITF - M15 Antalya - Doubles Hommes | 2019/05/21 10:00 | Kossek D / Kowalczyk M v Arinc K / Cekirge K | 6-0,6-1 |
| Challenger - Ostrava - Doubles Hommes | 2019/05/01 08:00 | Gengel M / Satral J v Kossek D / Kowalczyk M | 6-3,7-5 |