| 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 |
| ITF M15 Shymkent | 2021/04/13 05:00 | Jack Gibbens v Ivan Denisov | 7-6,7-5 |
| ITF M15 Shymkent | 2021/04/12 04:00 | Vitaliy Zatsepin v Ivan Denisov | 2-6,2-6 |
| ITF M15 Shymkent | 2021/04/06 05:25 | Ivan Denisov v Antonio Campo | 2-6,7-6,6-10 |
| UTR Pro Tennis Series Portoroz | 2021/08/16 12:30 | Max Lukman v Petar Pjevcevic | 7-6,6-7,6-1 |
| ITF M15 Novi Sad | 2021/08/03 11:50 | Michal Novansky v Petar Pjevcevic | 6-4,7-6 |
| ITF M15 Novi Sad | 2021/07/25 10:45 | Aziz Kijametovic v Petar Pjevcevic | 6-1,6-3 |
| ITF M25 Belgrade | 2021/06/28 07:00 | Petar Pjevcevic v Mirko Martinez | 2-6,2-6 |
| ITF M25 Belgrade | 2021/06/27 07:00 | Aleksandar Tomas v Petar Pjevcevic | 3-6,1-6 |
| ITF M15 Skopje | 2021/06/07 11:30 | Petar Pjevcevic v Hugo Pontico | 4-6,4-6 |
| ITF M15 Skopje | 2021/06/06 12:00 | Aleksa Bucan v Petar Pjevcevic | 4-6,3-6 |
| ITF M15 Sarajevo | 2021/05/30 10:30 | Nikolas Lahky v Petar Pjevcevic | 6-3,7-5 |