Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Veigy-Foncenex | 2020/01/28 12:30 | Ryan Nijboer v Antoine Cornut-Chauvinc | 2-6,5-7 |
| ITF M25 Nussloch | 2020/01/22 11:00 | Ryan Nijboer v Adrian Bodmer | 6-7,3-6 |
| ITF M25 Nussloch | 2020/01/20 19:30 | Ryan Nijboer v Jim Walder | 6-4,6-2 |
| ITF M25 Nussloch | 2020/01/20 14:00 | Ryan Nijboer v Robin Lang | 6-7,6-0,10-6 |
| ITF M15 Heraklion | 2019/12/04 10:35 | Ryan Nijboer v Simon Carr | 2-6,2-6 |
| ITF M15 Sharm El Sheikh | 2019/11/23 08:00 | Lucas Hellfritsch v Ryan Nijboer | 6-2,6-3 |
| ITF M15 Sharm El Sheikh | 2019/11/22 08:00 | Ryan Nijboer v Zachary Eisinga | 6-3,3-6,7-5 |
| ITF M15 Sharm El Sheikh | 2019/11/21 08:00 | Ryan Nijboer v Mariano Alberto Hasenkopf | 6-3,6-2 |
| ITF M15 Sharm El Sheikh | 2020/02/06 08:00 | David Poljak v Vaughn Hunter | 6-4,6-0 |
| ITF M15 Sharm El Sheikh | 2020/02/05 10:05 | David Poljak v Tomas Papik | 6-1,7-5 |
| ITF M15 Bressuire | 2020/01/23 14:40 | David Poljak v Hugo Pontico | 1-6,7-6,4-6 |
| ITF M15 Bressuire | 2020/01/22 10:20 | David Poljak v Arthur Reymond | 6-2,1-6,6-3 |
| Czechia Extraliga | 2019/12/14 10:50 | David Poljak v Marek Gengel | 5-7,3-6 |
| ITF M15 Heraklion | 2019/11/26 10:00 | Jakub Paul v David Poljak | 6-3,6-4 |
| ITF M15 Heraklion | 2019/11/21 08:00 | Simon A Ivanov v David Poljak | 7-5,6-3 |
| ITF M15 Heraklion | 2019/11/20 12:00 | Stephanos Schinas v David Poljak | 2-6,3-6 |