Stadium: Court 3 Round: 62 Ground: Clay
| ITF M15 Nyiregyhaza | 2024/06/16 07:00 | Nikita Mashtakov v Zalan Sandor Savay | 6-3,6-2 |
| Challenger Zagreb | 2024/06/02 11:00 | Riccardo Bonadio v Nikita Mashtakov | 7-5,6-3 |
| ITF M15 Bol | 2024/06/01 08:00 | Nikita Mashtakov v Sascha Gueymard Wayenburg | 2-6,2-6 |
| ITF M15 Bol | 2024/05/30 08:00 | Nikita Mashtakov v Alexey Zakharov | 7-6,6-3 |
| ITF M15 Bol | 2024/05/29 10:45 | Daniel Verbeek v Nikita Mashtakov | 1-6,3-6 |
| ITF M15 Bol | 2024/05/22 12:05 | Nikita Mashtakov v Viacheslav Bielinskyi | 2-6,2-6 |
| ITF M15 Osijek | 2024/04/30 07:50 | Nikita Mashtakov v Freek Van Donselaar | 2-6,6-3,10-12 |
| ITF M15 Osijek | 2024/04/29 13:00 | Nikita Mashtakov v Afan Nekovic | 6-1,6-1 |
| ITF M15 Nyiregyhaza | 2024/06/16 07:00 | Daniel Blazka v Ruben Hartig | 1-6,2-6 |
| ITF M15 Bol | 2024/05/21 08:00 | Janos Fekete v Ruben Hartig | 6-2,6-2 |
| ITF M15 Bol | 2024/05/20 07:50 | Joaquin Leon Macchiavello v Ruben Hartig | 3-6,5-7 |
| ITF M25 Varnamo | 2024/05/09 08:15 | Giovanni Calvano v Ruben Hartig | 6-2,6-4 |
| ITF M25 Varnamo | 2024/05/08 10:00 | Ruben Hartig v Adam Heinonen | 6-4,2-6,6-3 |
| ITF M25 Varnamo | 2024/05/07 09:55 | Ruben Hartig v Eldin Nokic | 6-1,6-3 |
| ITF M15 Meerbusch | 2024/04/24 14:25 | Ruben Hartig v Liam Gavrielides | 1-6,6-4,2-6 |
| ITF M15 Meerbusch | 2024/04/23 09:00 | Julius Seifert v Ruben Hartig | 6-4,6-3 |