Stadium: Court 2 Round: 25 Ground: Clay
| ITF China F8 | 2018/06/08 04:10 | Katayama, Sho v Ehara, Hiroyasu | 0-6,2-6 |
| ITF China F8 | 2018/06/06 02:00 | Katayama, Sho v Bang Shuo Yin | 6-2,6-4 |
| ITF China F8 | 2018/06/04 03:50 | Katayama, Sho v Wu, Hao | 6-2,6-2 |
| ITF Japan F6 | 2018/04/11 01:00 | Katayama, Sho v Zhe Li | 1-6,6-3,4-6 |
| ITF Japan F5 | 2018/04/03 04:10 | Katayama, Sho v Renta Tokuda | 2-6,4-6 |
| ITF Japan F4 | 2018/03/30 03:30 | Katayama, Sho v Yosuke Watanuki | 4-6,4-6 |
| ITF Japan F4 | 2018/03/29 03:45 | Katayama, Sho v Tamaki Yamao | 6-4,6-4 |
| ITF Japan F4 | 2018/03/27 03:00 | Takeuchi, Kento (1987) v Katayama, Sho | 6-4,4-6,5-7 |
| ITF Japan F7 | 2018/06/08 02:25 | Inoue, Haru v Makoto Ochi | 2-6,5-7 |
| ITF Japan F7 | 2018/06/07 03:50 | Inoue, Haru v Kawahashi, Yuta | 6-3,4-6,7-6 |
| ITF Japan F7 | 2018/06/04 01:00 | Ryota Tanuma v Inoue, Haru | 5-7,2-6 |
| ITF USA F36 | 2017/11/09 17:15 | Bangoura, Sekou v Inoue, Haru | 6-3,6-3 |
| ITF USA F36 | 2017/11/07 16:40 | Inoue, Haru v Sokolovskiy, Mikhail | 6-4,6-4 |
| ITF USA F36 | 2017/11/06 15:00 | Inoue, Haru v Peter Bertran | 6-4,7-6 |
| USA F34, Singles | 2017/10/18 16:05 | Shane, Ryan v Inoue, Haru | 6-0,6-2 |
| ITF USA F34 Qual | 2017/10/16 17:55 | Inoue, Haru v Chang, Jonathan | 4-6,6-4,6-3 |