Stadium: Centre Court Round: 54 Ground: Hardcourt indoor
| ITF M25 Nevers | 2023/10/01 15:30 | Lucas Bouquet v Leo Deflandre | 7-6,6-1 |
| ITF M15 Forbach | 2023/09/24 15:30 | Leo Deflandre v Raphael Calzi | 7-6,1-6,9-11 |
| ITF M25 Plaisir | 2023/09/11 08:05 | Paul Cayre v Leo Deflandre | 7-6,6-7,10-6 |
| ITF M25 Plaisir | 2023/09/10 08:00 | Leo Deflandre v Romain Andres | 6-3,6-3 |
| ITF M25 Bagneres-De-Bigorre | 2023/09/03 07:30 | Ewen Lumsden v Leo Deflandre | 6-2,6-4 |
| ITF M25 Carnac | 2023/05/28 09:35 | Alexander Klintcharov v Leo Deflandre | 6-1,6-3 |
| ITF M25 Angers | 2023/04/16 07:55 | Nikolay Vylegzhanin v Leo Deflandre | 6-2,6-4 |
| ITF M15 Creteil | 2023/03/05 10:10 | Leo Deflandre v Nikolay Vylegzhanin | 2-6,0-6 |