Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF Thailand F1 | 2018/08/23 05:05 | Navasirisomboon, Jirat v Patrik Rikl | 1-6,2-6 |
| ITF Thailand F1 | 2018/08/22 04:40 | Navasirisomboon, Jirat v Kerdlaphee, Phongsapak | 7-5,6-2 |
| ITF Thailand F1 | 2018/08/20 05:10 | Kuan-Yi Lee v Navasirisomboon, Jirat | 3-6,4-6 |
| ITF Indonesia F3 Qual | 2018/08/05 02:30 | Alexander Babanine v Navasirisomboon, Jirat | 3-6,6-2,7-6 |
| ITF Indonesia F3 Qual | 2018/08/04 07:00 | Natthasith Kunsuwan v Navasirisomboon, Jirat | 4-6,6-3,1-6 |
| ITF Malaysia F3 | 2018/07/18 04:30 | Kim, Cheong-Eui v Navasirisomboon, Jirat | 6-2,6-4 |
| ITF Malaysia F3 | 2018/07/17 02:00 | Addison, Aaron v Navasirisomboon, Jirat | 6-0,3-6,0-6 |
| ITF Malaysia F2 | 2018/07/09 03:00 | Shirafuji, Naru v Navasirisomboon, Jirat | 2-6,6-2,7-5 |
| ITF Thailand F2 | 2018/08/27 03:00 | Pumjit, Akanit v Hobbs, Roy | 6-3,1-6,7-6 |
| ITF Thailand F2 | 2018/08/26 05:30 | Wei-De Lin v Pumjit, Akanit | 4-6,1-6 |
| ITF Thailand F2 | 2018/08/25 07:00 | Pumjit, Akanit v Borisutpong, Pattanapong | 6-1,6-3 |
| ITF Thailand F1 | 2018/08/21 06:35 | Khunjan, Nawakarn v Pumjit, Akanit | 6-7,6-2,6-2 |
| ITF Thailand F1 | 2018/08/20 02:00 | Hobbs, Roy v Pumjit, Akanit | 5-7,4-6 |
| ITF Thailand F1 | 2018/08/19 02:00 | Pumjit, Akanit v Kerdlaphee, Kittirat | 6-4,6-2 |
| ITF Thailand F1 | 2018/08/18 04:00 | Pumjit, Akanit v Praditngam, Jamie Asanee | 6-4,6-7,6-2 |
| Bangkok, Thailand, Qualifying | 2018/01/06 04:55 | Hsieh, Cheng-Peng v Pumjit, Akanit | 6-2,6-2 |