Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Anseong | 2023/06/22 05:10 | 이치카와, 타이세이 v Jangjun Kim | 6-4,6-1 |
| ITF M25 Anseong | 2023/06/21 05:30 | Jangjun Kim v 김, 영석 | 6-3,4-6,7-6 |
| ITF M25 Changwon | 2023/06/15 01:55 | Jangjun Kim v Jeamoon Lee | 0-6,1-6 |
| ITF M25 Changwon | 2023/06/14 01:00 | 이, 준현 v Jangjun Kim | 6-7,6-7 |
| Challenger Seoul | 2022/10/11 01:30 | Jangjun Kim v 히지카타, 린키 | 1-6,2-6 |
| ITF M15 Daegu | 2022/08/31 08:05 | 카와치, 카즈마 v Jangjun Kim | 6-4,1-6,7-5 |
| ITF M15 Changwon | 2022/08/25 04:05 | 카와하시, 유타 v Jangjun Kim | 6-1,6-4 |
| ITF M15 Changwon | 2022/08/23 03:05 | Pavlekovich Smith, Thomas v Jangjun Kim | 6-3,3-6,2-6 |
| Tsukuba, Singles Qualifying M-ITF-JPN-04A | 2024/03/25 06:00 | Ryotaro Taguchi v Koki Matsuda | 7-6,6-2 |
| Nishi-Tokyo, Singles M-ITF-JPN-02A | 2024/03/23 01:40 | Ryotaro Taguchi v 시라이시, 히카루 | 2-6,6-4,4-6 |
| Nishi-Tokyo, Singles M-ITF-JPN-02A | 2024/03/22 00:45 | 바이, 이앤 v Ryotaro Taguchi | 3-6,5-7 |
| Nishi-Tokyo, Singles M-ITF-JPN-02A | 2024/03/21 01:00 | Ryotaro Taguchi v Jeamoon Lee | 6-3,5-7,6-3 |
| Nishi-Tokyo, Singles M-ITF-JPN-02A | 2024/03/20 00:50 | Ryotaro Taguchi v 마사바야시, 토모히로 | 6-3,6-3 |
| Nishi-Tokyo, Singles M-ITF-JPN-02A | 2024/03/18 01:00 | Ryotaro Taguchi v 데 쿠이퍼, 줄리엔 | 6-2,6-4 |
| ITF M15 Hinode | 2024/03/16 01:25 | 바이, 이앤 v Ryotaro Taguchi | 6-3,6-2 |
| ITF M15 Hinode | 2024/03/15 01:00 | Yi Zhou v Ryotaro Taguchi | 3-6,3-6 |