Stadium: Court A Round: 44 Ground: Hardcourt outdoor
| ITF Thailand F1 | 2018/08/22 04:40 | Jirat Navasirisomboon v Phongsapak Kerdlaphee | 7-5,6-2 |
| ITF Thailand F1 | 2018/08/21 02:00 | Phongsapak Kerdlaphee v Wei-De Lin | 6-7,6-3,6-2 |
| ITF Thailand F1 | 2018/08/20 02:00 | Phongsapak Kerdlaphee v Worarin Kumthonkittikul | 6-2,6-3 |
| ITF Thailand F1 | 2018/08/19 04:25 | Bang Shuo Yin v Phongsapak Kerdlaphee | 6-7,3-6 |
| ITF Thailand F1 | 2018/08/18 02:50 | Phongsapak Kerdlaphee v Marut Klaoklang | 6-0,6-0 |
| ITF Malaysia F3 | 2018/07/15 07:00 | Phongsapak Kerdlaphee v Ahmed Choudhary | 3-6,1-6 |
| ITF Malaysia F2 | 2018/07/08 01:00 | Aaron Addison v Phongsapak Kerdlaphee | 6-4,6-3 |
| ITF Malaysia F1 Qual | 2018/07/01 04:00 | Phongsapak Kerdlaphee v Fitriadi M Rifqi | 6-4,4-6,1-6 |
| ITF Chinese Taipei F2 Qual | 2018/07/23 03:00 | Sam Ryan Ziegann v Pak Long Yeung | 4-6,1-6 |
| ITF Chinese Taipei F2 Qual | 2018/07/22 02:00 | Sam Ryan Ziegann v Jia-Hong Shen | 6-1,6-1 |
| ITF Chinese Taipei F1 Qual | 2018/07/15 02:00 | Sam Ryan Ziegann v Fei Yun Liao | 6-7,3-6 |
| ITF Hong Kong F2 Qual | 2018/06/30 04:00 | Aaron Addison v Sam Ryan Ziegann | 6-1,7-6 |
| ITF Hong Kong F1 Qual | 2018/06/23 02:00 | Wai Yu Kai v Sam Ryan Ziegann | 6-3,6-3 |
| ITF Guam F1 | 2018/06/21 01:30 | Sam Ryan Ziegann v Rimpei Kawakami | 4-6,3-6 |
| ITF Vietnam F3 | 2018/05/12 03:00 | Sam Ryan Ziegann v Paramveer Singh Bajwa | 2-6,2-6 |
| ITF Vietnam F1 | 2018/04/28 05:00 | Kittirat Kerdlaphee v Sam Ryan Ziegann | 6-1,6-2 |