Stadium: Court 5 Round: 27 Ground: Hardcourt indoor
| ITF M15 Nishi-Tama | 2019/03/07 04:00 | Shintaro Imai v Sho Katayama | 6-2,6-3 |
| ITF Japan F1 | 2018/03/06 02:00 | Shintaro Imai v Sho Katayama | 2-6,5-7 |
| ITF M15 Tokyo | 2024/07/10 03:45 | Sho Katayama v Shinji Hazawa | 6-3,6-3 |
| ITF M15 Tokyo | 2024/07/09 02:45 | Sho Katayama v Kohei Hayashi | 6-3,6-0 |
| ITF M15 Tokyo | 2024/07/08 03:30 | Corey Craig v Sho Katayama | 2-6,4-6 |
| ITF M15 Yanagawa | 2023/12/28 01:00 | Sho Katayama v Jay Friend | 3-6,5-7 |
| Challenger Matsuyama | 2023/11/07 03:25 | Sho Katayama v Geoffrey Blancaneaux | 0-6,4-6 |
| Challenger Matsuyama | 2022/11/08 04:50 | Yu Hsiou Hsu v Sho Katayama | 7-5,6-4 |
| ITF M15 Akishima | 2019/06/14 01:00 | Ryohei Tagata v Sho Katayama | 7-6,6-4 |
| ITF M15 Akishima | 2019/06/13 01:00 | Kosuke Okagaki v Sho Katayama | 3-6,3-6 |
| ITF M15 Tokyo | 2024/07/11 02:00 | Renta Tokuda v Shintaro Imai | 3-6,3-6 |
| ITF M15 Tokyo | 2024/07/10 02:00 | Yuki Mochizuki v Shintaro Imai | 2-6,2-6 |
| ITF M15 Tokyo | 2024/07/03 02:00 | Karlis Ozolins v Shintaro Imai | 6-3,7-5 |
| ITF M15 Hong Kong | 2024/06/23 02:00 | Jake Delaney v Shintaro Imai | 4-6,4-6 |
| ITF M15 Hong Kong | 2024/06/22 02:00 | Shintaro Imai v Thanapet Chanta | 6-4,6-2 |
| ITF M15 Hong Kong | 2024/06/21 02:00 | Kasidit Samrej v Shintaro Imai | 6-7,1-6 |
| ITF M15 Hong Kong | 2024/06/20 03:50 | Ko Suzuki v Shintaro Imai | 4-6,3-6 |
| Challenger Tyler | 2024/06/02 15:00 | Moerani Bouzige v Shintaro Imai | 6-4,1-6,6-4 |