Stadium: Court 2 Round: 25
| ITF Thailand F2 | 2018/08/26 03:30 | Krittin Koaykul v Chayanon Kaewsuto | 6-3,4-6,7-6 |
| ITF Thailand F1 | 2018/08/21 04:40 | Chayanon Kaewsuto v Thomas Fancutt | 1-6,5-7 |
| ITF Indonesia F3 Qual | 2018/08/06 04:10 | Jayesh Pungliya v Chayanon Kaewsuto | 6-1,3-6,7-6 |
| ITF Indonesia F3 Qual | 2018/08/05 05:30 | Chayanon Kaewsuto v Siddharth Vishwakarma | 5-7,7-6,7-6 |
| ITF Indonesia F3 Qual | 2018/08/04 07:00 | Tanakorn Srirat v Chayanon Kaewsuto | 3-6,2-6 |
| ITF Indonesia F2 Qual | 2018/07/28 07:30 | Mohit Mayur Jayaprakash v Chayanon Kaewsuto | 4-6,6-3,6-3 |
| ITF Indonesia F1 | 2018/07/25 03:00 | Niki Kaliyanda Poonacha v Chayanon Kaewsuto | 6-3,6-1 |
| ITF Indonesia F1 Qual | 2018/07/24 02:30 | Mustafa Ibraimi v Chayanon Kaewsuto | 4-6,5-7 |
| ITF Thailand F2 | 2018/08/29 02:45 | Jirat Navasirisomboon v Ronnie Schneider | 1-6,4-6 |
| ITF Thailand F2 | 2018/08/28 03:35 | Jirat Navasirisomboon v Akanit Pumjit | 6-2,7-6 |
| ITF Thailand F1 | 2018/08/23 05:05 | Jirat Navasirisomboon v Patrik Rikl | 1-6,2-6 |
| ITF Thailand F1 | 2018/08/22 04:40 | Jirat Navasirisomboon v Phongsapak Kerdlaphee | 7-5,6-2 |
| ITF Thailand F1 | 2018/08/20 05:10 | Kuan-Yi Lee v Jirat Navasirisomboon | 3-6,4-6 |
| ITF Indonesia F3 Qual | 2018/08/05 02:30 | Alexander Babanine v Jirat Navasirisomboon | 3-6,6-2,7-6 |
| ITF Indonesia F3 Qual | 2018/08/04 07:00 | Natthasith Kunsuwan v Jirat Navasirisomboon | 4-6,6-3,1-6 |
| ITF Malaysia F3 | 2018/07/18 04:30 | Cheong-Eui Kim v Jirat Navasirisomboon | 6-2,6-4 |