Stadium: Court 1 Round: 25 Ground: Synthetic outdoor
| ITF Ireland F1 | 2017/07/18 10:40 | Osgar O'Hoisin v Alexander Jhun | 4-6,6-2,6-3 |
| ITF Portugal F9 | 2018/06/21 10:30 | Baptiste Crepatte v Alexander Jhun | 6-3,6-4 |
| ITF Portugal F9 | 2018/06/19 13:25 | Francisco Cabral v Alexander Jhun | 6-3,1-6,3-6 |
| ITF Portugal F9 | 2018/06/17 09:00 | Alexander Jhun v Ben Jones | 6-2,6-3 |
| ITF Portugal F9 | 2018/06/16 11:30 | Alexander Jhun v Francisco Oliveira | 4-6,6-3,6-2 |
| ITF Tunisia F21 | 2018/05/30 09:00 | Eros Siringo v Alexander Jhun | 6-3,7-6 |
| ITF Tunisia F20 | 2018/05/20 09:00 | Alexander Jhun v Davide Albertoni | 4-6,0-6 |
| ITF Turkey F1 | 2018/01/07 08:30 | Nikolay Vylegzhanin v Alexander Jhun | 6-1,6-4 |
| ITF Egypt F34 | 2017/11/13 13:30 | Alexander Jhun v Yann Wojcik | 3-6,3-6 |
| ITF USA F19B Qual | 2018/07/16 17:05 | Osgar O'Hoisin v Aleksandar Kovacevic | 4-6,3-6 |
| Challenger Winnetka Qual | 2018/07/08 16:50 | Osgar O'Hoisin v Alex Rybakov | 3-6,3-6 |
| Challenger Winnetka Qual | 2018/07/07 19:35 | Osgar O'Hoisin v Emmett Ward | 6-2,2-6,6-3 |
| ITF USA F18 | 2018/06/27 18:00 | Osgar O'Hoisin v Sean Sculley | 3-6,0-6 |
| ITF USA F15 Qual | 2018/06/17 14:00 | Gage Brymer v Osgar O'Hoisin | 6-4,6-7,7-6 |
| ITF USA F15 Qual | 2018/06/16 13:00 | Collin Thomson v Osgar O'Hoisin | 4-6,5-7 |
| ITF Ireland F2 | 2017/07/26 12:55 | Osgar O'Hoisin v Michal Konecny | 6-4,3-6,6-7 |
| ITF Ireland F2 | 2017/07/25 11:15 | Sean Collins v Osgar O'Hoisin | 2-6,3-6 |