Stadium: Court 14 Round: 62
| Korea F3, Singles Qualifying | 2018/06/16 03:30 | Minjong Park v Kim, Sang Yeop | 6-3,6-4 |
| ITF Korea F2 | 2018/06/11 03:30 | Chan-Yeong Oh v Kim, Sang Yeop | 6-3,6-3 |
| ITF Korea F2 | 2018/06/10 01:00 | Yoon, Jaeheon v Kim, Sang Yeop | 1-6,1-6 |
| ITF Korea F1 | 2018/06/06 01:00 | Niki, Takuto v Kim, Sang Yeop | 6-0,6-0 |
| ITF Korea F1 | 2018/06/04 03:55 | Park, Sung Jun v Kim, Sang Yeop | 3-6,3-6 |
| ITF Korea F5 | 2017/06/27 01:30 | Kim, Sang Yeop v Kim, A-Ram | 6-7,4-6 |
| ITF Korea F4 | 2017/06/20 04:30 | Kim, Sang Yeop v Kim, Cheong-Eui | 0-6,2-6 |
| ITF Korea F4 | 2017/06/19 01:00 | Kim, Sang Yeop v Shin, Geon Ju | 6-3,6-4 |
| ITF Indonesia F3 Qual | 2018/08/04 07:00 | Kumthonkittikul, W. v Siddharth Vishwakarma | 3-6,3-6 |
| ITF Guam F1 | 2018/06/17 00:00 | Hashikawa, Yasunori v Kumthonkittikul, W. | 1-6,5-7 |
| ITF Tunisia F21 | 2018/05/30 11:35 | Kirkov, Vasil v Kumthonkittikul, W. | 5-7,7-6,6-1 |
| ITF Tunisia F21 | 2018/05/27 09:00 | Sikman, Philip v Kumthonkittikul, W. | 2-6,2-6 |
| ITF Tunisia F21 | 2018/05/26 10:00 | Hughes, Robert v Kumthonkittikul, W. | 1-6,4-6 |
| ITF Tunisia F20 | 2018/05/22 11:00 | Constantin Bittoun Kouzmine v Kumthonkittikul, W. | 6-2,6-2 |
| Tunisia F19, Singles Qualifying | 2018/05/12 09:00 | Rousseau, Hillel v Kumthonkittikul, W. | 6-1,7-6 |
| ITF Egypt F8 | 2018/03/03 12:30 | Gruber, Fabian v Kumthonkittikul, W. | 7-5,6-3 |