Stadium: Ustron 1 Round: 27 Ground: Clay
| ITF Poland F4 MD | 2018/05/21 14:55 | Castelnuovo L / Haliak M v Matuszewski P / Zuk K | 6-2,6-3 |
| ITF Poland F3 MD | 2018/05/16 13:00 | Bangoura S / Walkow S v Chadaj A / Krolik P | 6-2,6-2 |
| ITF Poland F1 MD | 2018/04/30 12:45 | Chadaj A / Krolik P v Ajdukovic D / Sinner J | 7-5,3-6,6-10 |
| ITF Turkey F10 MD | 2018/03/13 11:40 | Olivieri G A / Ugo Carabelli C v Chadaj A / Krolik P | 6-2,6-1 |
| ITF Turkey F48 MD | 2017/12/22 10:25 | Orlov V / Tsivadze G v Chadaj A / Krolik P | 6-2,6-2 |
| ITF Turkey F48 MD | 2017/12/19 12:30 | Bojanovic D / Erler A v Chadaj A / Krolik P | 6-7,3-6 |
| ITF Turkey F47 MD | 2017/12/12 11:40 | Chadaj A / Krolik P v Prihodko O / Stevens B | 5-7,3-6 |
| ITF Turkey F46 MD | 2017/12/06 12:00 | Alcaraz Ivorra A / Wang T K v Chadaj A / Krolik P | 6-1,6-4 |
| ITF Turkey F45 MD | 2017/11/30 10:25 | Chadaj A / Krolik P v Ribero F / Vittar F | 5-7,4-6 |