| UTR Pro Tennis Series Portoroz | 2021/08/21 11:00 | Lawrence Bataljin v Tilen Zitnik | 6-3,4-6,4-5 |
| UTR Pro Tennis Series Portoroz | 2021/08/20 11:00 | Olexiy Kolisnyk v Lawrence Bataljin | 6-3,6-2 |
| UTR Pro Tennis Series Portoroz | 2021/08/19 08:00 | George Botezan v Lawrence Bataljin | 6-4,2-6,2-5 |
| UTR Pro Tennis Series Portoroz | 2021/08/18 08:00 | Teodor Ureche v Lawrence Bataljin | 5-7,1-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/16 09:30 | Grgo Dujmovic v Lawrence Bataljin | 4-6,7-5,1-6 |
| ITF M15 Xativa | 2021/08/01 13:00 | Lawrence Bataljin v Grigoriy Korobeynikov | 7-5,2-6,8-10 |
| ITF M25 Gandia | 2021/07/19 10:00 | Lawrence Bataljin v Juan P Canas Garcia | 4-6,3-6 |
| ITF M25 Gandia | 2021/07/18 09:00 | Roman Revkov v Lawrence Bataljin | 1-6,0-6 |
| ITF M25 Poznan | 2021/08/25 11:00 | Ivan Liutarevich v Aleksander Orlikowski | 6-2,5-7,3-6 |
| ITF M15 Shymkent | 2021/06/02 07:20 | Alexandr Binda v Ivan Liutarevich | 3-6,7-5,6-3 |
| ITF M15 Shymkent | 2021/05/28 05:00 | Ivan Liutarevich v Damien Wenger | 0-6,3-6 |
| ITF M15 Shymkent | 2021/05/27 05:00 | Markos Kalovelonis v Ivan Liutarevich | 4-6,6-3,6-7 |
| ITF M15 Shymkent | 2021/05/25 10:45 | Yerassyl Murat v Ivan Liutarevich | 5-7,0-6 |
| ITF M15 Shymkent | 2021/04/14 11:15 | Ivan Liutarevich v Ivan Gakhov | 2-6,4-6 |
| ITF M15 Shymkent | 2021/04/07 06:45 | Ivan Liutarevich v Andrey Chepelev | 0-6,0-6 |
| ITF M15 Kazan | 2021/03/09 09:30 | Ivan Liutarevich v Alexander Stepin | 4-6,1-6 |