| ITF Ireland F1 | 2018/07/31 09:00 | Jhun, Alexander v Osgar O'Hoisin | 7-6,3-6,4-6 |
| ITF Portugal F9 | 2018/06/21 10:30 | Crepatte, Baptiste v Jhun, Alexander | 6-3,6-4 |
| ITF Portugal F9 | 2018/06/19 13:25 | Cabral, Francisco v Jhun, Alexander | 6-3,1-6,3-6 |
| ITF Portugal F9 | 2018/06/17 09:00 | Jhun, Alexander v Ben Jones | 6-2,6-3 |
| ITF Portugal F9 | 2018/06/16 11:30 | Jhun, Alexander v Francisco Oliveira | 4-6,6-3,6-2 |
| ITF Tunisia F21 | 2018/05/30 09:00 | Siringo, Eros v Jhun, Alexander | 6-3,7-6 |
| ITF Tunisia F20 | 2018/05/20 09:00 | Jhun, Alexander v Albertoni, Davide | 4-6,0-6 |
| ITF Turkey F1 | 2018/01/07 08:30 | Nikolay Vylegzhanin v Jhun, Alexander | 6-1,6-4 |
| ITF Great Britain F3 Qual | 2018/02/11 09:30 | Foster, George v Maggs, Alexander | 4-6,3-6 |
| ITF Great Britain F2 | 2018/02/04 13:30 | Foster, George v Paris, Joshua | 3-6,7-6,5-7 |
| ITF Great Britain F2 | 2018/02/04 10:00 | Torralbo-Albos, Marcos v Foster, George | 6-2,4-6,3-6 |