Stadium: Court 4 Round: 25 Ground: Clay
| ITF M15 Skopje | 2021/06/10 08:35 | Kalin Ivanovski v Obrad Markovski | 6-3,4-6,4-6 |
| ITF M15 Skopje | 2021/06/02 08:00 | Kalin Ivanovski v Alex Rybakov | 2-6,2-6 |
| ITF M15 Sibenik | 2021/05/19 12:30 | Rimpei Kawakami v Kalin Ivanovski | 6-0,6-2 |
| ITF M15 Sibenik | 2021/04/21 09:20 | Kalin Ivanovski v Lorenzo Bocchi | 7-6,4-6,6-7 |
| ITF M15 Monastir | 2021/01/12 09:00 | Yusuke Takahashi v Kalin Ivanovski | 6-2,6-4 |
| ITF M15 Heraklion | 2020/11/21 13:00 | Kalin Ivanovski v Adrian Andreev | 1-6,4-6 |
| ITF M15 Heraklion | 2020/11/19 09:35 | Lucas Gerch v Kalin Ivanovski | 6-7,6-7 |
| ITF M15 Heraklion | 2020/11/18 12:30 | Kalin Ivanovski v Stefan Palosi | 7-5,6-2 |
| ITF M15 Shymkent | 2021/06/01 05:00 | Pavel Verbin v Alexander Boborykin | 7-6,6-7,9-11 |
| ITF M15 Shymkent | 2021/05/27 05:00 | Sanjar Fayziev v Pavel Verbin | 6-0,6-2 |
| ITF M15 Shymkent | 2021/05/26 04:00 | Pavel Verbin v Danil Ozernoy | 7-6,4-6,7-5 |
| ITF M15 Shymkent | 2021/05/25 06:00 | Ibrokhimjon Urinov v Pavel Verbin | 6-4,4-6,4-10 |
| ITF M15 Shymkent | 2021/05/24 08:20 | Zhanger Almashev v Pavel Verbin | 1-6,3-6 |
| ITF M15 St Petersburg Qual | 2021/04/11 10:15 | Egor Noskin v Pavel Verbin | 6-3,6-2 |
| ITF M15 Kazan | 2021/03/10 11:40 | Pavel Verbin v Daniel Ibragimov | 2-6,5-7 |
| ITF M15 Kazan | 2021/03/09 06:55 | Alexander Zgirovsky v Pavel Verbin | 6-4,6-7,6-10 |