Stadium: Court 3 Round: 25 Ground: Clay
| UTR Pro Tennis Series Amsterdam | 2021/12/11 10:00 | Guy Den Heijer v Deney Wassermann | 6-7,7-6,1-0 |
| UTR Pro Tennis Series Amsterdam | 2021/12/10 08:30 | Deney Wassermann v Niklas Koch | 6-2,6-3 |
| UTR Pro Tennis Series Amsterdam | 2021/12/08 08:30 | Deney Wassermann v Miko Wassermann | 7-6,4-6,6-2 |
| UTR Pro Tennis Series Amsterdam | 2021/12/07 08:30 | Deney Wassermann v Ryan Nijboer | 6-0,5-1 |
| UTR Pro Tennis Series Amsterdam | 2021/12/06 10:15 | Yan Sabanin v Deney Wassermann | 3-6,6-6 |
| ITF M15 Heraklion | 2021/11/22 08:00 | Deney Wassermann v Elmer Moller | 1-6,4-6 |
| ITF M15 Heraklion | 2021/11/15 08:00 | Deney Wassermann v Andrei Cuceu | 6-2,6-1 |
| UTR Pro Tennis Series Amsterdam | 2021/11/06 12:00 | Deney Wassermann v Guy Den Heijer | 2-6,5-6 |
| ITF M15 Heraklion | 2021/11/23 08:30 | Lukas Krainer v Uisung Park | 4-6,6-2,5-7 |
| ITF M15 Heraklion | 2021/11/19 09:35 | Filip Cristian Jianu v Lukas Krainer | 6-2,5-7,6-2 |
| ITF M15 Heraklion | 2021/11/18 07:00 | Preston Brown v Lukas Krainer | 6-3,1-6,2-6 |
| ITF M15 Heraklion | 2021/11/17 07:00 | Alec Deckers v Lukas Krainer | 5-7,6-7 |
| ITF M15 Sharm El Sheikh | 2021/11/03 10:10 | Erik Arutiunian v Lukas Krainer | 6-3,6-4 |
| ITF M15 Sharm El Sheikh | 2021/10/28 08:00 | Menelaos Efstathiou v Lukas Krainer | 6-3,5-7,6-4 |
| ITF M15 Sharm El Sheikh | 2021/10/27 09:25 | Saba Purtseladze v Lukas Krainer | 3-6,5-7 |
| ITF M15 Sharm El Sheikh | 2021/10/24 08:00 | Hady Habib v Lukas Krainer | 6-2,6-4 |