| ITF M15 Kashiwa MD | 04/04 06:23 | - | Jang/Jeong v Okamura/Takahata | 7-5,3-6,0-1 | |
| ITF M15 Kashiwa MD | 04/03 04:01 | - | Isomura/Yamanaka v Jang/Jeong |
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| ITF M15 Kashiwa MD | 04/02 07:44 | - | Inui/Kono v Jang/Jeong | 4-6,6-2,0-1 | |
| Challenger Gwangju MD | 10/06 04:30 | 27 | Barrientos/Reyes-Varela v Jang/Jeong | 6-2,7-6 | |
| ITF Korea F4 MD | 06/22 03:00 | 27 | Choi/Kim v Jang/Jeong | 6-2,6-2 | |
| ITF Korea F4 MD | 06/21 05:00 | 26 | An/Yoon v Jang/Jeong | 0-6,0-6 |