Stadium: Center Court Round: 54 Ground: Clay
| ITF M15 Kursumlijska Banja | 2023/09/19 10:55 | Martin Zeljenka v Tadija Radovanovic | 5-7,7-6,9-11 |
| ITF M15 Kursumlijska Banja | 2023/09/18 12:30 | Martin Zeljenka v Artem Cherepin | 6-1,6-2 |
| ITF M15 Satu Mare | 2023/09/14 06:55 | Pietro Marino v Martin Zeljenka | 6-0,6-2 |
| ITF M15 Satu Mare | 2023/09/13 09:00 | Bence Kutasi v Martin Zeljenka | 2-6,1-6 |
| ITF M15 Satu Mare | 2023/09/12 08:40 | Martin Zeljenka v Eduard Silviu Schipor | 3-6,7-5,10-6 |
| ITF M15 Satu Mare | 2023/09/11 07:00 | Martin Zeljenka v Alexandru Luca | 6-0,6-7,10-8 |
| ITF M15 Budapest | 2023/09/03 09:30 | Kevin Humpfner v Martin Zeljenka | 6-2,6-2 |
| ITF M15 Budapest | 2023/08/27 07:00 | Alfred Almasi v Martin Zeljenka | 6-4,6-3 |
| ITF M15 Constanta | 2023/09/03 12:00 | Antonio Caruso v Louis Allen | 6-4,6-1 |
| ITF M15 Bucharest | 2023/08/30 12:55 | Vlad Cristian Breazu v Louis Allen | 6-3,6-3 |
| ITF M15 Bucharest | 2023/08/29 06:30 | Louis Allen v Samuil Konov | 6-3,6-3 |
| ITF M15 Bucharest | 2023/08/28 06:00 | Adrian Mateo Bejenaru v Louis Allen | 5-7,5-7 |
| ITF M25 Astana | 2023/07/31 05:50 | Louis Allen v Mykhailo Mossur | 6-4,3-6,12-14 |
| ITF M25 Bacau | 2023/07/25 07:00 | Stefan A Andreescu v Louis Allen | 6-4,6-2 |
| ITF M25 Bacau | 2023/07/24 09:00 | Filip Gabriel Bara v Louis Allen | 4-6,2-6 |
| ITF M25 Bacau | 2023/07/23 08:30 | Leon Formella v Louis Allen | 2-6,4-6 |