Stadium: Court 1 Round: 62 Ground: Hardcourt outdoor
| Tavira, Singles M-ITF-POR-14A | 2023/10/09 09:00 | 보우레아우, 알렉시스 v Seeman, Johannes | 3-6,6-3,10-3 |
| Tavira, Singles M-ITF-POR-14A | 2023/10/08 09:00 | Ashwin Vaithianathan v Seeman, Johannes | 3-6,1-6 |
| ITF M25 Nevers | 2023/10/01 13:40 | Seeman, Johannes v William Jucha | 4-6,4-6 |
| ITF M25 Falun | 2023/09/24 12:45 | Seeman, Johannes v Henrik Bladelius | 7-5,4-6,5-10 |
| ITF M15 Hyvinkaa | 2023/08/01 07:00 | Seeman, Johannes v Filip Apltauer | 4-6,5-7 |
| ITF M15 Hyvinkaa | 2023/07/31 09:30 | 데니소브, 이반 v Seeman, Johannes | 2-6,2-6 |
| ITF M25 Kramsach | 2023/07/23 08:00 | Seeman, Johannes v Batiste Guerra | 4-6,7-6,6-10 |
| ITF M15 Monastir | 2023/06/25 10:30 | Loann Massard v Seeman, Johannes | 6-3,6-7,10-6 |
| Tavira, Singles M-ITF-POR-14A | 2023/10/09 09:00 | Tiago Boschmans v 프레운드, 시몬 | 0-6,1-6 |
| Tavira, Singles M-ITF-POR-14A | 2023/10/08 11:30 | Leo Lagarrigue v Tiago Boschmans | 1-6,6-1,9-11 |
| ITF M25 Setubal | 2023/09/18 09:00 | Tiago Boschmans v Valdoleiros, Guilherme | 2-6,0-6 |
| ITF M25 Sintra | 2023/09/11 09:00 | Tiago Boschmans v 바티스타, 다니엘 | 3-6,1-6 |
| ITF M25 Sintra | 2023/09/10 08:30 | Ander Tarrio Ponte v Tiago Boschmans | 2-6,5-7 |
| ITF M25 Sintra | 2023/09/03 08:00 | 알메이다, 토마스 v Tiago Boschmans | 6-4,3-6,10-8 |
| ITF M25 Porto | 2023/07/24 10:00 | Tiago Boschmans v 페라롤리, 다비드 | 6-7,6-7 |
| ITF M25 Porto | 2023/07/23 09:00 | Tiago Boschmans v Matteo Covato | 6-2,7-5 |