| UTR Pro Tennis Series Zadar | 2021/09/29 15:00 | Maxim Krapivin v Michalis Sakellaridis | 2-6,2-6 |
| UTR Pro Tennis Series Zadar | 2021/09/28 11:00 | Maxim Krapivin v Deni Zmak | 2-6,2-5 |
| UTR Pro Tennis Series Zadar | 2021/09/27 11:00 | Ivan Liutarevich v Maxim Krapivin | 6-4,5-1 |
| ITF M15 Ulcinj | 2021/09/20 08:00 | Joris Moret v Maxim Krapivin | 6-3,6-2 |
| ITF M15 Ulcinj | 2021/09/12 08:00 | Maxim Krapivin v Eric Morris | 4-6,2-6 |
| ITF M15 Ulcinj | 2021/09/05 07:30 | Daniel Ibragimov v Maxim Krapivin | 7-5,7-6 |
| ITF M15 Novi Sad | 2021/07/25 10:45 | Maxim Krapivin v Valerio Aboian | 2-6,0-6 |
| ITF M15 Sofia | 2021/07/05 08:00 | Aleksandr Braynin v Maxim Krapivin | 6-4,6-3 |
| UTR Pro Tennis Series Zadar | 2021/09/30 12:00 | Deni Zmak v Ivan Denisov | 2-6,6-2,6-5 |
| 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 Denisov v Michalis Sakellaridis | 6-2,5-1 |
| ITF M15 Shymkent | 2021/06/02 05:00 | Ivan Denisov v Beibit Zhukayev | 2-6,2-6 |
| ITF M15 Shymkent | 2021/06/01 07:00 | Ivan Denisov v Olimjon Nabiev | 7-5,6-4 |
| ITF M15 Shymkent | 2021/05/31 09:35 | Ibrokhimjon Urinov v Ivan Denisov | 1-6,1-6 |
| ITF M15 Shymkent | 2021/05/25 04:00 | Alexandr Binda v Ivan Denisov | 6-2,6-7,10-7 |
| ITF M15 Shymkent | 2021/05/24 06:55 | Ivan Denisov v Mark Tryakshin | 6-1,6-1 |