Stadium: Court 3 Round: 26 Ground: Hardcourt indoor
| Trnava, Singles Main, M-ITF-SVK-03A | 2020/02/26 12:10 | Kai Lemstra v Glvac, Andrej | 6-4,6-4 |
| Trnava, Singles Main, M-ITF-SVK-03A | 2020/02/25 09:00 | Recek, Dominik v Kai Lemstra | 6-7,3-6 |
| Trnava, Singles Main, M-ITF-SVK-03A | 2020/02/24 14:00 | Kai Lemstra v Matuszewski, Piotr | 6-2,6-0 |
| ITF - M15 Oberhaching | 2020/02/16 15:00 | Christoph Negritu v Kai Lemstra | 7-6,6-1 |
| ITF - M15 Oberhaching | 2020/02/16 10:30 | Kai Lemstra v Langmajer, Dominik | 6-1,6-0 |
| Barnstaple, Singles Qualifying M-ITF-GBR-01A | 2020/02/09 14:30 | Kai Lemstra v Patten, Henry | 5-7,2-6 |
| ITF - M15 Sharm El Sheikh | 2019/11/14 08:00 | Manafov, Vladyslav v Kai Lemstra | 6-1,6-2 |
| ITF - M15 Sharm El Sheikh | 2019/11/13 08:00 | Tsung-Hao Huang v Kai Lemstra | 6-7,2-6 |
| Trnava, Singles Main, M-ITF-SVK-03A | 2020/02/26 10:20 | Krstev, Ondrej v Aldin Setkic | 6-3,6-7,2-6 |
| Aktobe, Singles Qualifying M-ITF-KAZ-02A | 2020/02/18 08:30 | Danilov, Savriyan v Aldin Setkic | 7-5,6-3 |
| Aktobe, Singles Qualifying M-ITF-KAZ-02A | 2020/02/13 06:55 | Aldin Setkic v Igoshin, Alexander | 6-7,5-7 |
| Aktobe, Singles Qualifying M-ITF-KAZ-02A | 2020/02/12 08:45 | Aldin Setkic v Fufygin, Mikhail | 7-6,6-2 |
| ITF - M25 Nussloch | 2020/01/21 11:00 | Ocleppo, Julian v Aldin Setkic | 4-6,7-5,6-3 |
| ITF - M15 Monastir | 2020/01/15 10:15 | Aldin Setkic v Ratniuk, Maxim | 3-6,2-6 |
| ITF - M15 Monastir | 2020/01/10 10:00 | Aldin Setkic v Clement Tabur | 4-6,4-6 |
| ITF - M15 Monastir | 2020/01/09 12:50 | Aldin Setkic v Quentin Folliot | 6-4,6-1 |