Estádio: Court 13 Round: 62 Ground: Hardcourt outdoor
| ITF - M25 Bolzano | 2021/08/03 16:15 | Emiliano Maggioli v Kirill Kivattsev | 1-6,6-4,6-4 |
| ITF - M15 Esch/Alzette | 2021/07/20 15:50 | Kirill Kivattsev v Mick Veldheer | 4-6,3-6 |
| ITF - M25 Telfs | 2021/07/18 13:20 | Filip Misolic v Kirill Kivattsev | 6-2,6-4 |
| ITF - M25 Telfs | 2021/07/18 08:00 | Kirill Kivattsev v Alex M Pujolras | 6-3,6-1 |
| ITF - M25 Telfs | 2021/07/16 10:00 | Kirill Kivattsev v Ondrej Horak | 6-2,6-2 |
| ITF - M25 Telfs | 2021/07/13 09:00 | Danylo Kalenichenko v Kirill Kivattsev | 4-6,3-6 |
| ITF - M25 Marburgo | 2021/07/05 09:30 | Kirill Kivattsev v Andres Gabriel Ciurletti | 6-7,6-7 |
| ITF - M15 Bérgamo | 2021/06/22 11:40 | Federico Arnaboldi v Kirill Kivattsev | 6-4,6-2 |