Stadium: Indoor 2 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Kouvola | 2021/05/26 11:40 | Iiro Vasa v Karl Kiur Saar | 4-6,0-6 |
| ITF M15 Kouvola | 2021/05/25 08:30 | Karl Kiur Saar v Oskar Antinheimo | 6-3,6-0 |
| ITF M15 Pärnu | 2020/11/02 09:30 | Karl Kiur Saar v Stefan Loncar | 4-6,6-7 |
| ITF M15 Monastir | 2020/10/18 10:30 | Karl Kiur Saar v Constantin Bittoun Kouzmine | 1-6,2-6 |
| ITF M15 Monastir | 2020/09/27 10:30 | Adam Bronka v Karl Kiur Saar | 6-4,6-2 |
| ITF M15 Monastir | 2020/09/21 12:30 | Luca Potenza v Karl Kiur Saar | 6-1,6-3 |
| ITF M15 Monastir | 2020/09/21 08:00 | Karl Kiur Saar v Aristotelis Thanos | 7-6,6-1 |
| ITF M15 Monastir | 2020/09/20 11:00 | Mark Owen Endler v Karl Kiur Saar | 7-5,4-6,7-10 |
| ITF M15 Kouvola | 2021/05/26 07:20 | Dominik Palan v Alexander Cozbinov | 6-7,2-6 |
| ITF M15 Tbilisi | 2021/05/19 08:35 | Zane Khan v Alexander Cozbinov | 3-6,6-4,6-0 |
| ITF M15 Jerusalem | 2021/05/13 07:30 | Yshai Oliel v Alexander Cozbinov | 6-3,4-6,6-3 |
| ITF M15 Jerusalem | 2021/05/12 09:35 | Keenan Mayo v Alexander Cozbinov | 2-6,6-4,2-6 |
| ITF M15 Ramat Hasharon | 2021/05/07 08:50 | Edan Leshem v Alexander Cozbinov | 6-2,3-6,6-3 |
| ITF M15 Ramat Hasharon | 2021/05/06 07:00 | Dominik Palan v Alexander Cozbinov | 6-4,6-7,6-7 |
| ITF M15 Ramat Hasharon | 2021/05/04 07:00 | Roi Ginat v Alexander Cozbinov | 1-6,3-6 |
| ITF M15 St. Peterburg | 2021/04/14 07:00 | Yanki Erel v Alexander Cozbinov | 7-6,7-6 |