Round: 25 Ground: Hardcourt outdoor
| ITF Japan F4 | 2015/04/01 01:00 | Sho Katayama v Kento Takeuchi | 3-6,3-6 |
| ITF Japan F3 | 2018/03/22 05:15 | Kento Takeuchi v Makoto Ochi | 3-6,2-6 |
| ITF Japan F3 | 2018/03/19 01:00 | Kento Takeuchi v Shunrou Takeshima | 6-1,6-2 |
| ITF Japan F2 | 2018/03/14 02:40 | Kento Takeuchi v Soichiro Moritani | 4-6,0-6 |
| ITF Japan F2 | 2018/03/12 02:30 | Kento Takeuchi v Masaya Kobayashi | 6-3,4-6,6-3 |
| Challenger Yokohama Qual | 2018/02/24 01:00 | Kento Takeuchi v Jumpei Yamasaki | 3-6,3-6 |
| Challenger Kyoto Qual | 2018/02/17 02:25 | Shinta Fujii v Kento Takeuchi | 0-6,7-6,6-4 |
| Challenger Bangkok | 2018/01/08 04:55 | Marsel Ilhan v Kento Takeuchi | 6-1,6-2 |
| Challenger Bangkok Qual | 2017/12/30 06:05 | Kento Takeuchi v Gerard Granollers-Pujol | 2-6,3-6 |
| ITF Japan F3 | 2018/03/22 08:45 | Sho Katayama v Kaito Uesugi | 3-6,1-6 |
| ITF Japan F3 | 2018/03/22 04:05 | Shuichi Sekiguchi v Sho Katayama | 5-7,6-4,2-6 |
| ITF Japan F3 | 2018/03/19 01:00 | Sho Katayama v Soichiro Moritani | 6-2,6-0 |
| ITF Japan F2 | 2018/03/13 03:00 | Kaichi Uchida v Sho Katayama | 7-6,6-3 |
| ITF Japan F1 | 2018/03/08 01:30 | Sho Katayama v Yuta Shimizu | 4-6,1-6 |
| ITF Japan F1 | 2018/03/06 02:00 | Shintaro Imai v Sho Katayama | 2-6,5-7 |
| Challenger Yokohama Qual | 2018/02/25 02:20 | Hiroki Moriya v Sho Katayama | 6-3,6-0 |
| Challenger Yokohama Qual | 2018/02/24 06:45 | Michal Przysiezny v Sho Katayama | 4-6,6-2,2-6 |