Stadium: Court 14 Round: 25
| ITF Portugal F16 | 2018/08/18 08:30 | Sibanda, Muzingaye Dickson Andile 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 | Jhun, Alexander v Osgar O'Hoisin | 7-6,3-6,4-6 |
| 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 Sculley, Sean | 3-6,0-6 |
| ITF USA F15 Qual | 2018/06/17 14:00 | Brymer, Gage v Osgar O'Hoisin | 6-4,6-7,7-6 |
| ITF USA F22 | 2018/08/08 16:10 | Finn Bass v Schneider, Ronnie | 6-4,2-6,3-6 |
| ITF USA F21 | 2018/08/03 16:40 | Sebastian Korda v Finn Bass | 6-3,6-4 |
| ITF USA F21 | 2018/08/02 15:00 | Brooksby, Jenson v Finn Bass | 4-6,4-6 |
| ITF USA F21 | 2018/08/01 14:00 | Duarte Vale v Finn Bass | 4-6,4-6 |
| ITF USA F20 | 2018/07/24 19:00 | Finn Bass v Ezekiel Clark | 6-7,3-6 |
| ITF USA F19B | 2018/07/18 15:00 | Finn Bass v Farquharson, Tom | 2-6,1-6 |
| Challenger Ilkley Qual | 2018/06/16 17:10 | Billy Harris v Finn Bass | 6-7,7-6,6-2 |
| ITF Zimbabwe F2 | 2018/06/05 07:00 | Finn Bass v Stoute, Isaac | 6-7,2-6 |