Stadium: Court 2 Round: 62 Ground: Clay
| ITF M15 Madrid | 2021/10/27 07:55 | Tadas Babelis v Jorge Martinez Martinez | 1-6,6-1,6-7 |
| ITF M25 Madrid | 2021/10/26 08:00 | Ivan Bas Mengual v Tadas Babelis | 3-6,4-6 |
| ITF M25 Madrid | 2021/10/25 12:00 | Serafin Zund v Tadas Babelis | 4-6,5-7 |
| ITF M15 Girona | 2021/10/17 10:30 | Lamine Ouahab v Tadas Babelis | 6-4,7-6 |
| ITF M15 Platja D'Aro | 2021/10/10 08:00 | Aaron Cohen v Tadas Babelis | 6-4,2-6,10-8 |
| ITF M15 Platja D'Aro | 2021/10/03 08:00 | Simon Beaupain v Tadas Babelis | 7-6,6-4 |
| ITF M15 Parnu | 2021/08/05 07:55 | Tadas Babelis v Kenneth Raisma | 5-7,2-6 |
| ITF M15 Parnu | 2021/08/04 10:10 | Ronan Joncour v Tadas Babelis | 0-6,5-7 |
| ITF M15 Platja D'Aro | 2021/10/10 10:00 | Stefan Cizelj-Zivkovic v Noah Lopez | 1-6,3-6 |
| ITF M15 Platja D'Aro | 2021/10/05 08:00 | Stefan Cizelj-Zivkovic v Jorge Martinez Martinez | 0-6,1-6 |
| ITF M15 Platja D'Aro | 2021/10/03 08:00 | Zhenxiong Dong v Stefan Cizelj-Zivkovic | 4-6,4-6 |
| ITF M15 Káhira | 2021/09/12 08:00 | Andrei Cuceu v Stefan Cizelj-Zivkovic | 6-4,6-3 |
| ITF M15 Káhira | 2021/09/05 08:30 | Lucio Carnevalle v Stefan Cizelj-Zivkovic | 6-3,6-2 |
| ITF M25 Velenje | 2021/07/05 12:15 | Stefan Cizelj-Zivkovic v Lukas Palovic | 3-6,1-6 |
| ITF M25 Velenje | 2021/07/04 07:30 | Stefan Cizelj-Zivkovic v Marco Mania | 7-6,6-0 |
| ITF M15 Tbilisi | 2021/05/17 05:30 | Aleksandr Braynin v Stefan Cizelj-Zivkovic | 6-4,6-3 |