stadio: Court 4 Round: 28 Ground: Hardcourt indoor
| ITF Estonia F1 | 2015/11/11 13:25 | Vladimir Ivanov v Mattias Siimar | 6-4,6-7,6-2 |
| ITF M15 Parnu | 2021/08/05 09:45 | Mattias Siimar v Benjamin Lock | 6-3,6-4 |
| ITF M15 Parnu | 2021/08/04 10:15 | Mattias Siimar v Vilius Gaubas | 4-6,6-1,7-5 |
| ITF M15 Parnu | 2020/11/06 08:00 | Simon Freund v Mattias Siimar | 1-6,6-3,1-6 |
| ITF M15 Parnu | 2020/11/05 11:10 | Mattias Siimar v Kristjan Tamm | 6-3,6-7,6-3 |
| ITF M15 Parnu | 2020/11/04 08:00 | Mattias Siimar v Roni Mikael Hietaranta | 6-3,6-2 |
| ITF M15 East Lansing | 2019/11/20 21:15 | Cannon Kingsley v Mattias Siimar | 7-5,6-2 |
| ITF M15 Helsinki | 2019/08/20 08:30 | Mattias Siimar v Roni Rikkonen | 5-7,6-0,9-11 |
| ITF M15 Helsinki | 2019/08/19 10:00 | Mattias Siimar v Tomas Vanko | 6-1,6-0 |
| ITF M15 Parnu | 2021/08/06 08:00 | Vladimir Ivanov v Otto Virtanen | 2-6,6-4,7-6 |
| ITF M15 Parnu | 2021/08/05 07:00 | Vladimir Ivanov v Siim Troost | 4-6,7-6,6-3 |
| ITF M15 Parnu | 2021/08/04 09:20 | Vladimir Ivanov v Milan Welte | 7-5,1-6,6-3 |
| ITF M25 L'Aia | 2021/06/29 11:20 | Lucas Gerch v Vladimir Ivanov | 6-1,6-2 |
| ITF M25 L'Aia | 2021/06/28 08:00 | Vladimir Ivanov v Raphael Collignon | 6-2,6-2 |
| ITF M25 L'Aia | 2021/06/27 08:00 | Vladimir Ivanov v Patrick Zahraj | 4-6,6-3,10-6 |
| ITF M25 Alkmaar | 2021/06/21 18:00 | Vladimir Ivanov v Guy Den Heijer | 3-6,6-7 |
| ITF M25 Alkmaar | 2021/06/20 14:00 | Vladimir Ivanov v Jack Gibbens | 6-2,7-5 |