Stadium: Court 1 Round: 54 Ground: Hardcourt outdoor
| ITF M15 Gimcheon | 2019/06/18 01:00 | Dominik Palan v Phongsapak Kerdlaphee | 6-1,6-1 |
| ITF M15 Gimcheon | 2019/06/17 01:00 | Suk Hyun Choo v Phongsapak Kerdlaphee | 6-3,3-6,8-10 |
| ITF M15 Singapore | 2019/06/10 02:00 | Phongsapak Kerdlaphee v Gareth Ong | 6-1,6-2 |
| ITF M25 Nonthaburi | 2019/05/28 04:45 | Phongsapak Kerdlaphee v Kasidit Samrej | 3-6,3-6 |
| ITF M25 Nonthaburi | 2019/05/27 06:00 | Phongsapak Kerdlaphee v Marut Klaoklang | 6-1,6-0 |
| ITF M25 Nonthaburi | 2019/05/20 08:10 | Saranpong Borisutpong v Phongsapak Kerdlaphee | 6-7,6-2,11-9 |
| ITF Thailand F9 | 2018/11/13 04:40 | Mikhail Fufygin v Phongsapak Kerdlaphee | 6-1,6-2 |
| ITF Thailand F8 | 2018/11/06 03:25 | Phongsapak Kerdlaphee v Palaphoom Kovapitukted | 4-6,2-6 |
| ITF M15 Gimcheon | 2019/06/10 01:00 | Chanchai Sookton-Eng v Dae-Hee Lee | 6-2,6-2 |
| ITF M15 Daegu | 2019/06/03 05:00 | Seita Watanabe v Dae-Hee Lee | 6-2,6-0 |
| ITF Korea F6 | 2018/08/26 02:00 | Dae-Hee Lee v Hyung-Chan Lim | 3-6,2-6 |
| ITF Korea F6 | 2018/08/25 03:00 | Jun Su Kim v Dae-Hee Lee | 2-6,2-6 |
| ITF Korea F5 | 2018/08/21 01:00 | Woo Hyeok Jang v Dae-Hee Lee | 6-0,6-1 |
| ITF Korea F5 | 2018/08/20 01:00 | Sung Hun Kim v Dae-Hee Lee | 6-1,6-1 |
| ITF Korea F5 | 2018/08/19 02:00 | Seong Woon Yu v Dae-Hee Lee | 3-6,3-6 |
| ITF Korea F5 | 2018/08/18 02:00 | Anze Loviscek v Dae-Hee Lee | 4-6,1-6 |