| ITF Korea F5 | 2017/06/25 03:00 | Kento Tagashira v Sungbeen Sim | 4-6,5-7 |
| ITF Korea F4 | 2017/06/18 02:00 | Hyeong Don Kim v Sungbeen Sim | 6-4,6-7,6-2 |
| ITF Korea F1 Qual | 2017/05/29 02:55 | Sungbeen Sim v Dong-Hak Sin | 3-6,0-6 |
| ITF Korea F1 Qual | 2017/05/28 01:00 | Hyun-Joon Kim v Sungbeen Sim | 4-6,2-6 |