Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Idanha-A-Nova | 2023/08/21 12:00 | Patrick Schoen v Ricardo Villacorta-Alonso | 3-6,4-6 |
| ITF M15 Novi Sad | 2023/07/26 07:30 | Patrick Schoen v Pavel Verbin | 6-3,3-6,6-4 |
| ITF M15 Belgrade | 2023/06/30 08:00 | Andrey Chepelev v Patrick Schoen | 6-0,7-6 |
| ITF M15 Belgrade | 2023/06/29 11:40 | Patrick Schoen v Vlad Andrei Dancu | 6-4,7-6 |
| ITF M15 Kursumlijska Banja | 2023/06/21 09:20 | Patrick Schoen v Zsombor Velcz | 4-6,1-6 |
| ITF M25 Faro | 2023/02/21 13:55 | Sergi Perez Contri v Patrick Schoen | 6-3,6-1 |
| ITF M25 Faro | 2023/02/20 13:00 | Patrick Schoen v Xavi Matas Ortega | 3-6,6-1,10-8 |
| ITF M25 Faro | 2023/02/19 13:00 | Naman Sharma v Patrick Schoen | 3-6,4-6 |
| Challenger Grodzisk Mazowiecki | 2023/08/15 11:50 | Elias Ymer v David Poljak | 6-4,6-3 |
| Challenger Grodzisk Mazowiecki | 2023/08/14 10:50 | Niki Kaliyanda Poonacha v David Poljak | 3-6,2-6 |
| Challenger Grodzisk Mazowiecki | 2023/08/13 11:40 | David Poljak v Edas Butvilas | 3-6,7-6,7-6 |
| ITF M25 Herzlia | 2023/08/09 06:00 | David Poljak v Ron Ellouck | 4-6,4-6 |
| ITF M15 Monastir | 2023/07/26 11:40 | Cyril Vandermeersch v David Poljak | 7-6,6-1 |
| ITF M15 Monastir | 2023/07/18 09:30 | Egor Agafonov v David Poljak | 6-4,7-6 |
| ITF M25 Brasov | 2023/07/07 08:00 | David Poljak v Dragos Nicolae Madaras | 2-6,3-6 |
| ITF M25 Brasov | 2023/07/05 11:15 | David Poljak v Mihai Razvan Marinescu | 2-6,6-1,6-4 |