Stadium: Court Central Round: 14 Ground: Hardcourt indoor
| ITF - Monastir M15 | 2023/11/05 08:30 | Elliot Benchetrit v Olaf Pieczkowski | 6-2,6-3 |
| ITF - Monastir M15 | 2023/11/03 08:30 | John Sperle v Olaf Pieczkowski | 3-6,2-6 |
| ITF - Monastir M15 | 2023/11/02 10:55 | Fabio De Michele v Olaf Pieczkowski | 4-6,4-6 |
| ITF - Monastir M15 | 2023/11/01 08:00 | Diego F Flores v Olaf Pieczkowski | 4-6,6-2,2-6 |
| ITF - Monastir M15 | 2023/10/29 08:30 | Olaf Pieczkowski v Alberto Barroso Campos | 1-6,1-6 |
| ITF - Monastir M15 | 2023/10/28 08:30 | Guido Ivan Justo v Olaf Pieczkowski | 6-1,6-7,3-6 |
| ITF - Monastir M15 | 2023/10/27 08:30 | Adrien Gobat v Olaf Pieczkowski | 4-6,5-7 |
| ITF - Monastir M15 | 2023/10/26 08:30 | Louis Tessa v Olaf Pieczkowski | 2-6,6-7 |
| ITF - Edmonton M25 | 2023/11/01 18:30 | Marko Stakusic v Justin Boulais | 1-6,4-6 |
| ITF - Saint-Augustin M25 | 2023/10/24 22:30 | Marko Stakusic v Charles Broom | 0-6,3-6 |
| ITF - Ithaca M15 | 2023/10/03 14:00 | Marko Stakusic v Angel Diaz Jalil | 2-6,6-7 |
| ITF - Albuquerque M15 | 2023/09/26 22:30 | Marko Stakusic v Eugenio G Fitzmaurice | 2-6,3-6 |
| ITF - Albuquerque M15 | 2023/09/25 14:00 | Marko Stakusic v Piotr Pawlak | 7-5,6-3 |
| ITF - Champaign M15 | 2023/09/14 15:00 | Marko Stakusic v Ezekiel Clark | 3-6,4-6 |
| ITF - Champaign M15 | 2023/09/13 21:30 | Marko Stakusic v Lucas Horve | 6-3,6-7,6-1 |
| ITF - Champaign M25 | 2023/09/12 15:00 | Marko Stakusic v Connor Bruce | 7-6,6-4 |