Stadium: Annexe Round: 14 Ground: Hardcourt indoor
| Challenger Istanbul | 2023/09/04 07:00 | Martin Damm v David Poljak | 6-3,6-4 |
| Challenger Istanbul | 2023/09/03 09:20 | David Poljak v Evgeny Karlovskiy | 6-2,4-6,6-3 |
| ITF M25 Idanha-A-Nova | 2023/08/31 09:30 | Alberto Barroso Campos v David Poljak | 6-3,6-2 |
| ITF M25 Idanha-A-Nova | 2023/08/29 08:00 | David Poljak v Martim Simoes | 6-3,7-5 |
| ITF M25 Idanha-A-Nova | 2023/08/25 08:00 | David Poljak v Rafael I Luque | 4-6,6-1,5-7 |
| ITF M25 Idanha-A-Nova | 2023/08/23 09:30 | Patrick Schoen v David Poljak | 5-7,6-7 |
| 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 Orleans | 2023/09/26 20:10 | Tristan Lamasine v Remy Bertola | 2-6,6-3,7-5 |
| Challenger Orleans | 2023/09/25 12:00 | Robin Bertrand v Remy Bertola | 4-6,2-6 |
| Challenger Orleans | 2023/09/24 19:10 | Remy Bertola v Ricardas Berankis | 6-4,6-4 |
| ITF M25 Pozzuoli | 2023/09/16 13:40 | Remy Bertola v Arthur Fery | 3-6,3-6 |
| ITF M25 Pozzuoli | 2023/09/15 16:20 | Remy Bertola v Leonardo Rossi | 0-6,7-5,6-1 |
| ITF M25 Pozzuoli | 2023/09/14 09:30 | Remy Bertola v Stefano D'Agostino | 6-3,6-2 |
| ITF M25 Pozzuoli | 2023/09/13 10:35 | Remy Bertola v Peter Buldorini | 6-1,6-4 |
| ITF M25 Sion | 2023/09/03 10:30 | Remy Bertola v Anton Matusevich | 6-2,7-5 |