Stadium: Court 1 Round: 54 Ground: Hardcourt outdoor
| ITF - M25 Dharwad | 2023/10/16 04:00 | Mattias Southcombe v Dharmil Shah | 1-6,2-6 |
| ITF - M15 Ahmedabad | 2023/10/11 04:30 | Mattias Southcombe v Ishaque Eqbal | 0-6,2-6 |
| ITF - M15 Ahmedabad | 2023/10/10 05:05 | Faisal Qamar v Mattias Southcombe | 6-7,5-7 |
| ITF - M15 Ahmedabad | 2023/10/09 08:15 | Mattias Southcombe v Manish Ganesh | 6-4,1-6,12-10 |
| ITF - M15 Ahmedabad | 2023/10/08 08:30 | Mattias Southcombe v Tushar Madan | 6-4,2-6,10-7 |
| ITF - M15 Doha | 2023/10/03 12:00 | Mattias Southcombe v Julien De Cuyper | 6-1,2-6,11-13 |
| ITF - M25 Kigali | 2023/09/13 09:40 | Julian Desousa v Mattias Southcombe | 6-3,6-2 |
| ITF - M25 Kigali | 2023/09/07 08:50 | Corentin Denolly v Mattias Southcombe | 6-3,6-2 |
| ITF - M25 Glasgow | 2023/10/22 09:00 | Freek Van Donselaar v James Beaven | 7-6,6-7,3-10 |
| ITF - M25 Edgbaston | 2023/10/16 10:45 | Finn Bass v Freek Van Donselaar | 6-1,6-4 |
| ITF - M25 Edgbaston | 2023/10/15 09:00 | Ioannis Stamatopoulos v Freek Van Donselaar | 1-6,7-6,5-10 |
| ITF - M15 Buschhausen | 2023/09/10 11:00 | Ronetto Van Tilburg v Freek Van Donselaar | 6-4,6-3 |
| ITF - M15 Haren | 2023/09/04 08:00 | Tymur Bieldiugin v Freek Van Donselaar | 6-4,6-4 |
| ITF - M25 Oldenzaal | 2023/08/27 14:30 | Freek Van Donselaar v Paulo Knippling | 7-5,3-6,4-10 |
| ITF - M15 Trier | 2023/08/21 15:00 | Jannik Maute v Freek Van Donselaar | 6-1,6-4 |
| ITF - M15 Trier | 2023/08/21 09:30 | Freek Van Donselaar v Lukas Janousek | 6-4,7-6 |