Stadium: Court 2 Round: 44 Ground: Hardcourt outdoor
| ITF - Cancun M15 | 2020/01/19 17:30 | Osgar O'Hoisin v Jesse Flores | 7-6,0-6,6-10 |
| ITF - Champaign M15 | 2019/09/09 17:00 | Osgar O'Hoisin v Kento Yamada | 2-6,1-6 |
| ITF - Champaign M15 | 2019/09/08 17:30 | Osgar O'Hoisin v Francis Pare | 6-1,6-2 |
| ITF M25 Dublin | 2019/07/31 10:05 | Andrew Watson v Osgar O'Hoisin | 7-5,6-4 |
| ITF Portugal F16 | 2018/08/21 13:20 | Osgar O'Hoisin v Finn Bass | 2-6,3-6 |
| ITF Portugal F16 | 2018/08/18 08:30 | Muzingaye D. A. Sibanda v Osgar O'Hoisin | 4-6,1-6 |
| ITF Ireland F1 | 2018/08/02 15:55 | Osgar O'Hoisin v Ryan James Storrie | 4-6,4-6 |
| ITF Ireland F1 | 2018/07/31 09:00 | Alexander Jhun v Osgar O'Hoisin | 7-6,3-6,4-6 |
| ITF - Cancun M15 | 2020/01/19 15:30 | Alexander Lebedev v Nikolay Sysoev | 6-2,6-2 |
| ITF - Cancun M15 | 2020/01/12 17:30 | Yeudy Villar v Nikolay Sysoev | 6-3,6-2 |
| ITF - Cancun M15 | 2020/01/12 14:00 | Nikolay Sysoev v Joao Victor Ortega | 6-1,6-0 |
| ITF - Naples M25 | 2019/10/27 14:00 | Mehdi Laalej v Nikolay Sysoev | 6-2,6-1 |
| ITF - Cancun M15 | 2019/08/26 15:30 | Nikolay Sysoev v Logan Smith | 1-6,2-6 |
| ITF - Cancun M15 | 2019/08/19 14:30 | Miles Jones v Nikolay Sysoev | 6-0,6-1 |
| ITF - Cancun M15 | 2019/08/14 15:35 | Nicholas Shamma v Nikolay Sysoev | 6-1,6-0 |
| ITF - Cancun M15 | 2019/08/12 17:00 | Kalman Boyd v Nikolay Sysoev | 6-1,6-1 |