Stadium: Court H Round: 26 Ground: Hardcourt outdoor
| ITF Japan F1 | 2018/03/06 02:00 | Shintaro Imai v Sho Katayama | 2-6,5-7 |
| ITF M15 Nishi-Tama | 2019/03/05 03:30 | Yusuke Takahashi v Shintaro Imai | 1-6,7-5,3-6 |
| Challenger Yokohama | 2019/02/26 01:00 | Shintaro Imai v David Perez Sanz | 2-6,3-6 |
| Challenger Yokohama | 2019/02/25 01:00 | Cheong-Eui Kim v Shintaro Imai | 6-1,7-5 |
| ITF M15 Sharm El Sheikh | 2019/02/02 08:00 | Karim-Mohamed Maamoun v Shintaro Imai | 6-3,6-2 |
| ITF M15 Sharm El Sheikh | 2019/02/01 08:00 | Pablo Vivero Gonzalez v Shintaro Imai | 3-6,7-6,6-7 |
| ITF M15 Sharm El Sheikh | 2019/01/31 09:35 | Shintaro Imai v Enrico Dalla Valle | 6-3,6-4 |
| ITF M15 Sharm El Sheikh | 2019/01/30 13:05 | Toby Martin v Shintaro Imai | 3-6,6-7 |
| ITF M15 Sharm El Sheikh | 2019/01/23 08:00 | Toby Martin v Shintaro Imai | 2-6,6-1,6-2 |
| 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 |
| ITF Canada F7 | 2018/09/11 19:45 | Emmett Ward v Sho Katayama | 1-6,1-6 |
| ITF Canada F6 | 2018/09/04 17:00 | Alafia Ayeni v Sho Katayama | 6-2,6-7,6-4 |
| ITF Guam F1 | 2018/06/22 00:00 | Hiroyasu Ehara v Sho Katayama | 7-6,6-4 |
| ITF Guam F1 | 2018/06/20 02:10 | Jeremy Sonkin v Sho Katayama | 6-7,5-7 |