Round: 54 Ground: Hardcourt indoor
| ITF M15 Sharm El Sheikh | 2019/10/30 08:00 | Wojciech Marek v Giovanni Fonio | 3-6,6-3,4-6 |
| ITF M15 Sharm El Sheikh | 2019/10/24 09:35 | Karim-Mohamed Maamoun v Wojciech Marek | 3-6,6-1,7-5 |
| ITF M25 Falun | 2019/10/04 14:30 | Patrik Niklas-Salminen v Wojciech Marek | 6-4,6-4 |
| ITF M25 Falun | 2019/10/03 13:55 | Wojciech Marek v Filip Bergevi | 6-3,6-4 |
| ITF M25 Falun | 2019/10/02 14:55 | Anton Matusevich v Wojciech Marek | 1-6,6-3,3-6 |
| ITF M25 Falun | 2019/10/01 14:15 | Robin Thour v Wojciech Marek | 2-6,1-6 |
| ITF M25 Falun | 2019/09/30 08:00 | Wojciech Marek v Sam Taylor | 6-3,6-4 |
| ITF M25 Falun | 2019/09/29 08:00 | Wojciech Marek v Johan Claesson | 6-4,6-1 |
| ITF M25 Shrewsbury | 2019/09/24 12:20 | Luke Johnson v Josip Krstanovic | 6-1,6-4 |
| ITF M25 Shrewsbury | 2019/09/23 13:15 | Daniel Little v Josip Krstanovic | 4-6,4-6 |
| ITF M25 Shrewsbury | 2019/09/23 08:30 | Luke Henley v Josip Krstanovic | 7-6,1-6,9-11 |
| ITF M15 Szekesfehervar | 2019/09/02 08:00 | Josip Krstanovic v Antun Vidak | 6-7,6-7 |
| ITF M15 Szekesfehervar | 2019/09/01 08:00 | Francesco Ferrari v Josip Krstanovic | 3-6,4-6 |
| ITF Serbia F1 Qual | 2017/08/06 09:30 | Calin Manda v Josip Krstanovic | 5-7,6-3,6-4 |
| ITF Austria F5 | 2017/07/31 09:50 | Josip Krstanovic v Michalis Sakellaridis | 6-2,4-6,4-6 |
| ITF Austria F5 | 2017/07/30 08:00 | Josip Krstanovic v Edward Hubner | 6-2,6-1 |