Stadium: Court 5 Round: 44 Ground: Hardcourt outdoor
| ITF Thailand F3 | 2018/09/03 03:00 | Chayanon Kaewsuto v Jirat Navasirisomboon | 1-6,4-6 |
| 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 Korea F6 | 2018/08/31 03:00 | Jung-Woong Na v Min-Kyu Song | 1-6,2-6 |
| ITF Korea F6 | 2018/08/30 04:05 | Jung-Woong Na v Seong Jae Han | 6-3,6-1 |
| ITF Korea F6 | 2018/08/28 03:30 | Jung-Woong Na v Juan Ignacio Batalla | 6-2,6-1 |
| ITF Korea F5 | 2018/08/24 01:15 | Jung-Woong Na v Makoto Ochi | 6-3,2-6,0-6 |
| ITF Korea F5 | 2018/08/22 02:00 | Mark Whitehouse v Jung-Woong Na | 6-4,3-6,3-6 |
| ITF Korea F5 | 2018/08/21 02:00 | Ku Keon Kang v Jung-Woong Na | 6-4,6-7,0-6 |
| Challenger Gwangju Qual | 2018/08/13 01:00 | Jung-Woong Na v Yecong He | 6-3,5-7,5-7 |
| Challenger Gwangju Qual | 2018/08/12 01:30 | Shintaro Imai v Jung-Woong Na | 4-6,2-6 |