Stadium: Court 7 Round: 26 Ground: Hardcourt outdoor
| ITF Japan F2 | 2017/03/16 04:05 | Sho Katayama v Takuto Niki | 3-6,7-6,6-4 |
| ITF Japan F5 | 2016/04/08 06:25 | Takuto Niki v Sho Katayama | 7-6,2-6,3-6 |
| ITF M15 Kofu | 2019/03/20 01:00 | Hong Kit Wong v Takuto Niki | 6-3,4-6,2-6 |
| ITF M15 Nishi-Tokyo | 2019/03/16 01:00 | Takuto Niki v Shuichi Sekiguchi | 4-6,7-6,3-6 |
| ITF M15 Nishi-Tokyo | 2019/03/15 01:00 | Takuto Niki v Yuta Shimizu | 7-6,1-6,6-3 |
| ITF M15 Nishi-Tokyo | 2019/03/14 02:25 | Makoto Ochi v Takuto Niki | 3-6,6-3,1-6 |
| ITF M15 Nishi-Tokyo | 2019/03/13 04:25 | Jie Cui v Takuto Niki | 4-6,6-7 |
| ITF M15 Nishi-Tama | 2019/03/06 04:00 | Takuto Niki v Ji Sung Nam | 4-6,2-6 |
| Challenger Kobe | 2018/11/10 05:15 | Takuto Niki v Taisei Ichikawa | 6-2,6-7,3-6 |
| ITF USA F26 | 2018/09/30 18:00 | Michael Shabaz v Takuto Niki | 3-6,6-3,3-6 |
| ITF M15 Kofu | 2019/03/20 07:15 | Seita Watanabe v Sho Katayama | 3-6,2-6 |
| ITF M15 Nishi-Tokyo | 2019/03/12 03:20 | Ryota Tanuma v Sho Katayama | 6-4,2-6,10-5 |
| ITF M15 Nishi-Tokyo | 2019/03/11 01:00 | Shota Tange v Sho Katayama | 3-6,3-6 |
| ITF M15 Nishi-Tama | 2019/03/07 04:00 | Shintaro Imai v Sho Katayama | 6-2,6-3 |
| ITF M15 Nishi-Tama | 2019/03/06 02:25 | Sho Katayama v Yuta Kawahashi | 6-3,6-1 |
| ITF M15 Nishi-Tama | 2019/03/05 03:00 | Sho Katayama v Yuta Kawahashi | 4-6,5-7 |
| ITF M15 Nishi-Tama | 2019/03/05 01:00 | Sho Katayama v Masayoshi Ono | 6-4,6-4 |
| ITF Canada F7 | 2018/09/12 14:00 | Jack Findel-Hawkins v Sho Katayama | 6-3,6-3 |