Stadium: Court 2 Round: 54 Ground: Hardcourt outdoor
| Challenger Guangzhou | 2024/09/08 02:00 | Pengyu Lu v Seita Watanabe | 7-5,6-3 |
| Challenger Zhangjiagang | 2024/08/25 03:00 | Kris Van Wyk v Seita Watanabe | 6-3,6-3 |
| Challenger Jinan | 2024/08/18 10:35 | Keegan Smith v Seita Watanabe | 6-4,6-2 |
| Challenger Astana | 2024/07/17 06:40 | Aleksandre Bakshi v Seita Watanabe | 6-3,6-1 |
| Challenger Astana | 2024/07/16 07:15 | Filip Peliwo v Seita Watanabe | 7-6,4-6,6-7 |
| Challenger Astana | 2024/07/15 07:20 | Seita Watanabe v Aleksandr Lobanov | 6-3,6-1 |
| Challenger Astana | 2024/07/14 10:05 | Karan Singh v Seita Watanabe | 2-6,7-6,3-6 |
| Challenger Lima | 2024/06/09 16:05 | Harrison Adams v Seita Watanabe | 6-3,6-2 |
| ITF M15 Karuizawa | 2023/05/31 03:20 | Jake Delaney v Shunrou Takeshima | 2-6,7-6,7-5 |
| ITF M15 Karuizawa | 2023/05/30 02:15 | Shunrou Takeshima v Blake Bayldon | 1-6,6-2,10-4 |
| ITF M15 Karuizawa | 2023/05/28 01:15 | Shunsuke Nakagawa v Shunrou Takeshima | 6-3,3-6,8-10 |
| ITF M15 Akishima | 2019/06/11 05:00 | Shunrou Takeshima v Kosuke Okagaki | 2-6,2-6 |
| ITF M15 Karuizawa | 2019/05/30 04:15 | Shunrou Takeshima v Yuki Mochizuki | 1-6,6-7 |
| ITF M15 Karuizawa | 2019/05/29 01:00 | Shunrou Takeshima v Masayoshi Ono | 6-3,6-0 |
| ITF M15 Tsukuba | 2019/03/25 05:30 | Yuga Tashiro v Shunrou Takeshima | 7-5,6-3 |
| ITF M15 Kofu | 2019/03/18 04:30 | Mick Veldheer v Shunrou Takeshima | 6-2,6-2 |