Stadium: Court 1N Round: 25 Ground: Hardcourt outdoor
| ITF M15 Sunrise | 2022/04/12 15:00 | Alec Deckers v Karlis Ozolins | 6-4,7-5 |
| ITF M15 Heraklion | 2021/11/10 09:20 | Karlis Ozolins v Kai Lemstra | 3-6,6-7 |
| ITF M15 Heraklion | 2021/11/03 07:00 | Karlis Ozolins v Aristotelis Thanos | 2-6,4-6 |
| ITF M15 Parnu | 2021/10/26 09:00 | Karlis Ozolins v Ainius Sabaliauskas | 5-7,4-6 |
| ITF M15 Champaign | 2021/09/15 14:55 | Karlis Ozolins v Dali Blanch | 5-7,6-7 |
| ITF M15 Zilina | 2021/09/01 09:55 | Karlis Ozolins v Francesco Vilardo | 1-6,2-6 |
| ITF M15 Bratislava | 2021/08/25 08:00 | Karlis Ozolins v Edoardo Lavagno | 0-6,6-0,4-6 |
| ITF M15 Lodz | 2021/08/17 08:00 | Karlis Ozolins v Markus Eriksson | 6-7,6-1,2-6 |
| ITF M15 Cancun | 2022/05/10 15:00 | Osgar O'Hoisin v Ezekiel Clark | 4-6,6-7 |
| Challenger Savannah | 2022/04/24 18:40 | Govind Nanda v Osgar O'Hoisin | 6-2,6-4 |
| ITF M15 Orange Park | 2022/04/19 14:00 | Osgar O'Hoisin v Michael Zheng | 4-6,2-6 |
| ITF M15 Orange Park | 2022/04/18 16:00 | Osgar O'Hoisin v Fabian Hansch Mauritzson | 6-1,6-1 |
| ITF M25 Calabasas | 2022/03/24 17:00 | Ji Sung Nam v Osgar O'Hoisin | 6-1,6-7,6-4 |
| ITF M25 Calabasas | 2022/03/23 22:15 | Osgar O'Hoisin v Sho Shimabukuro | 6-2,7-6 |
| ITF M25 Calabasas | 2022/03/22 19:25 | Alexander Cozbinov v Osgar O'Hoisin | 5-7,3-6 |
| ITF M25 Calabasas | 2022/03/21 17:00 | Joshua Sheehy v Osgar O'Hoisin | 6-2,1-6,5-10 |