Stadium: Hard 20 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Trnava | 2023/11/09 08:55 | Alastair Gray v Karl Friberg | 6-1,5-7,3-6 |
| ITF M25 Trnava | 2023/11/08 08:55 | Martyn Pawelski v Alastair Gray | 2-6,4-6 |
| ITF M25 Sunderland | 2023/11/02 12:35 | Tibo Colson v Alastair Gray | 6-3,7-6 |
| ITF M25 Sunderland | 2023/10/31 10:00 | Alastair Gray v Paul Jubb | 6-2,7-5 |
| ITF M25 Tbilisi | 2023/04/26 13:00 | Evgeny Philippov v Alastair Gray | 2-6,6-4,6-4 |
| ITF M25 Sharm El Sheikh | 2023/04/19 08:30 | Alastair Gray v Saba Purtseladze | 4-6,6-7 |
| ITF M25 Sharm El Sheikh | 2023/04/13 08:30 | Alastair Gray v Saba Purtseladze | 3-6,6-4,3-6 |
| ITF M25 Sharm El Sheikh | 2023/04/12 08:30 | Alastair Gray v Peter Benjamin Privara | 6-0,6-4 |
| ITF M15 Heraklion | 2023/11/16 08:00 | Joel Schwaerzler v Sebastian Gima | 6-3,4-6,1-6 |
| ITF M15 Heraklion | 2023/11/14 13:55 | Joel Schwaerzler v Eyal Shumilov | 7-6,6-2 |
| Challenger Bad Waltersdorf | 2023/09/19 13:10 | Albert Ramos-Vinolas v Joel Schwaerzler | 4-6,6-1,6-3 |
| ITF M15 Kottingbrunn | 2023/08/18 10:05 | Joel Schwaerzler v Marat Sharipov | 2-6,0-6 |
| ITF M15 Kottingbrunn | 2023/08/17 08:00 | Svyatoslav Gulin v Joel Schwaerzler | 1-6,1-6 |
| ITF M15 Kottingbrunn | 2023/08/16 09:50 | Joel Schwaerzler v Marco Miceli | 6-7,6-0,6-2 |
| ITF M15 Frankfurt Am Main | 2023/08/09 12:00 | Joel Schwaerzler v Michael Agwi | 6-7,2-6 |
| ATP Kitzbühel | 2023/07/29 09:00 | Joel Schwaerzler v Dennis Novak | 4-6,1-6 |