| UTR Pro Tennis Series Zadar | 2021/10/01 14:30 | Mile Matic v Lawrence Bataljin | 4-6,0-6 |
| UTR Pro Tennis Series Zadar | 2021/09/30 14:00 | Petar Pjevcevic v Lawrence Bataljin | 6-1,6-5 |
| UTR Pro Tennis Series Zadar | 2021/09/28 09:30 | Yanais Laurent v Lawrence Bataljin | 6-1,6-1 |
| UTR Pro Tennis Series Mulheim | 2021/09/25 10:30 | Christos Keisidis v Lawrence Bataljin | 6-4,5-3 |
| UTR Pro Tennis Series Mulheim | 2021/09/25 07:00 | Julien De Cuyper v Lawrence Bataljin | 0-6,0-6 |
| UTR Pro Tennis Series Mulheim | 2021/09/24 11:00 | Jose A R Rodriguez v Lawrence Bataljin | 3-6,6-2,5-1 |
| UTR Pro Tennis Series Mulheim | 2021/09/23 08:00 | Buvaysar Gadamauri v Lawrence Bataljin | 6-3,5-4 |
| UTR Pro Tennis Series Mulheim | 2021/09/22 09:30 | Thijmen Loof v Lawrence Bataljin | 6-3,5-3 |
| UTR Pro Tennis Series Zadar | 2021/09/30 12:00 | Ivan Liutarevich v Michalis Sakellaridis | 6-7,5-6 |
| UTR Pro Tennis Series Zadar | 2021/09/29 15:00 | Ivan Liutarevich v Deni Zmak | 4-6,6-4,6-6 |
| UTR Pro Tennis Series Zadar | 2021/09/28 11:00 | Ivan Liutarevich v Ivan Denisov | 3-6,2-6 |
| UTR Pro Tennis Series Zadar | 2021/09/27 11:00 | Ivan Liutarevich v Maxim Krapivin | 6-4,5-1 |
| ITF M15 Ulcinj | 2021/09/22 12:00 | Ivan Liutarevich v Juan Pablo Paz | 3-6,0-6 |
| ITF M15 Ulcinj | 2021/09/15 09:30 | Ivan Liutarevich v Alexis Musialek | 1-6,2-6 |
| ITF M15 Ulcinj | 2021/09/09 09:55 | Juan Pablo Paz v Ivan Liutarevich | 6-2,6-7,6-1 |
| ITF M15 Ulcinj | 2021/09/08 10:00 | Ivan Liutarevich v Daniel Ibragimov | 4-6,6-4,6-2 |