Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| ITF Thailand F3 | 2018/09/02 02:00 | Sam Ryan Ziegann v Krittin Koaykul | 6-7,1-6 |
| ITF Thailand F3 | 2018/09/01 05:00 | Krittin Koaykul v Thammarat Kamchai | 6-2,6-1 |
| ITF Thailand F2 | 2018/08/28 02:00 | Krittin Koaykul v Thomas Fancutt | 1-6,6-7 |
| ITF Thailand F2 | 2018/08/27 02:45 | Yuttana Charoenphon v Krittin Koaykul | 6-4,3-6,0-6 |
| ITF Thailand F2 | 2018/08/26 03:30 | Krittin Koaykul v Chayanon Kaewsuto | 6-3,4-6,7-6 |
| ITF Thailand F2 | 2018/08/25 04:00 | Krittin Koaykul v Tanakorn Srirat | 6-1,6-2 |
| ITF Thailand F1 | 2018/08/18 03:30 | Nawakarn Khunjan v Krittin Koaykul | 7-5,7-6 |
| ITF USA F22 Qual | 2018/08/06 13:30 | Matic Spec v Alfredo Perez | 3-6,2-6 |
| ITF USA F22 Qual | 2018/08/04 14:30 | Matic Spec v Catalin Fifea | 4-6,7-5,6-4 |
| ITF USA F21 | 2018/08/02 17:05 | Matic Spec v Jacob Dunbar | 4-6,2-6 |
| ITF USA F21 | 2018/08/01 19:45 | Charles Broom v Matic Spec | 1-6,0-6 |
| ITF USA F20 | 2018/07/24 19:45 | Sebastian Korda v Matic Spec | 6-3,6-3 |
| ITF USA F20 Qual | 2018/07/23 16:20 | Matic Spec v Rowland Phillips | 6-3,6-7,6-4 |
| ITF USA F20 Qual | 2018/07/22 16:30 | Matic Spec v Eric Morris | 7-6,6-4 |
| ITF USA F19B Qual | 2018/07/16 15:00 | Felix Corwin v Matic Spec | 3-6,7-6,6-4 |