Stadion: Court 6 Round: 54 Ground: Hardcourt outdoor
| ITF - M25 - Roehampton | 2023/08/01 14:10 | Ryan James Storrie v Alexander Klintcharov | 6-4,6-4 |
| ITF - M25 - Roehampton | 2023/07/16 10:00 | Alexander Klintcharov v Luke Simkiss | 4-6,5-7 |
| ITF - M25 - Nottingham | 2023/07/10 10:00 | Alexander Klintcharov v Emile Hudd | 2-6,2-6 |
| ITF - M25 - Nottingham | 2023/07/09 10:00 | Alexander Klintcharov v Max Benaim | 6-3,6-1 |
| ITF - M15 - Celje | 2023/06/26 11:40 | Mark Wallner v Alexander Klintcharov | 6-2,7-6 |
| ITF - M15 - Store | 2023/06/24 09:15 | Alexander Klintcharov v Dominik Kellovsky | 2-6,6-7 |
| ITF - M15 - Store | 2023/06/23 07:00 | Alexander Klintcharov v Andrea Guerrieri | 7-5,7-6 |
| ITF - M15 - Store | 2023/06/22 07:25 | Lorenzo Bocchi v Alexander Klintcharov | 2-6,2-6 |
| ITF - M25 - Roehampton | 2023/07/30 12:00 | Billy Blaydes v David Quayle | 7-6,6-4 |
| ITF - M25 - Roehampton | 2023/07/17 10:00 | David Quayle v Freddy Blaydes | 1-6,4-6 |
| ITF - M25 - Nottingham | 2023/07/09 14:45 | David Quayle v Alexis Canter | 4-6,5-7 |
| ITF - M25 - Den Haag | 2023/07/03 13:55 | Oskar Jansson v David Quayle | 6-1,6-2 |
| ITF - M15 - Duffel | 2023/06/12 08:00 | Andrea Gola v David Quayle | 6-1,6-2 |
| ITF - M15 - Duffel | 2023/06/11 11:00 | Felix Einig v David Quayle | 5-7,3-6 |
| UK - Pro League | 2023/06/02 12:00 | Johannus Monday v David Quayle | 6-2,6-2 |
| UK - Pro League | 2023/06/01 13:00 | Brandon Murphy v David Quayle | 4-6,2-6 |