Japan: M15 Yanagawa - Doubles - Main |
| Semi-finals | Hara Friend J. D./Miyoshi K. | Saitoh K./Tanuma R. | 2:1 (5:7, 6:3, 10:7) | details | 23.12.2023 |
| Quarter-finals | Matsumura R./Matsuoka H. | Saitoh K./Tanuma R. | 0:2 (1:6, 2:6) | details | 23.12.2023 |
| 1/8-finals | Dong B./Zhang C. | Saitoh K./Tanuma R. | 0:2 (2:6, 0:6) | details | 22.12.2023 |
Malaysia: M15 Kuala Lumpur - Doubles - Main |
| Quarter-finals | Isomura K./Tanuma R. | Isaro P./Loof T. | 1:2 (65:7, 7:63, 10:12) | details | 30.11.2023 |
| 1/8-finals | Isomura K./Tanuma R. | Fu H./Oplustil P. | 2:0 (6:1, 7:5) | details | 28.11.2023 |
Thailand: M25 Hua Hin - Doubles - Main |
| Final | Matsuda K./Tanuma R. | Huang T./Imai S. | 0:2 (1:6, 0:6) | details | 18.11.2023 |
| Semi-finals | Matsuda K./Tanuma R. | Chaiyarin C./Nithithananont N. | 2:1 (1:6, 6:4, 10:5) | details | 17.11.2023 |
| Quarter-finals | Matsuda K./Tanuma R. | Jang Y./Lee D. H. | 2:1 (7:63, 2:6, 10:5) | details | 16.11.2023 |
| 1/8-finals | Alcantara F. C./Rungkat C. | Matsuda K./Tanuma R. | 1:2 (6:1, 3:6, 8:10) | details | 15.11.2023 |
Japan: M25 Takasaki - Doubles - Main |
| Semi-finals | Watanabe S./Takeru Y. | Ochi M./Tanuma R. | 2:0 (7:60, 6:3) | details | 22.09.2023 |
| Quarter-finals | Shiraishi H./Tajima N. | Ochi M./Tanuma R. | 1:2 (6:4, 4:6, 4:10) | details | 21.09.2023 |
| 1/8-finals | Ochi M./Tanuma R. | Kikuchi Y./Nakagawa S. | 2:0 (6:2, 7:5) | details | 19.09.2023 |
Japan: M25 Kashiwa - Doubles - Main |
| Semi-finals | Matsui T./Uesugi K. | Takeuchi K./Tanuma R. | 2:0 (6:4, 7:60) | details | 30.09.2022 |
| Quarter-finals | Takeuchi K./Tanuma R. | Niki T./Takahashi Y. | 2:1 (3:6, 6:1, 12:10) | details | 29.09.2022 |
| 1/8-finals | Takeuchi K./Tanuma R. | Takahashi Y./Umeoka Y. | 2:0 (6:3, 6:4) | details | 27.09.2022 |
Japan: M25 Sapporo 2 - Doubles - Main |
| Semi-finals | Kono Y./Kusuhara Y. | Saitoh K./Tanuma R. | 2:0 (6:4, 6:4) | details | 09.09.2022 |
| Quarter-finals | Saitoh K./Tanuma R. | Imai S./Mochizuki Y. | 2:0 (7:63, 7:610) | details | 08.09.2022 |
| 1/8-finals | Saitoh K./Tanuma R. | Kanno R./Matsumoto K. | 2:0 (6:1, 6:3) | details | 07.09.2022 |
Japan: M25 Sapporo - Doubles - Main |
| Semi-finals | Ito T./Tanuma R. | Kawakami R./Tajima N. | 0:2 (2:6, 66:7) | details | 03.09.2022 |