 Japan: M15 Osaka 2 - Doubles - Main |
|---|
| Semi-finals | Kawachi K./Tokuda R. | Okamura I./Vithoontien L. | 2:0 (6:2, 6:4) | details | 25.04.2025 |
| Quarter-finals | Oki Y./Sumizawa D. | Kawachi K./Tokuda R. | 0:2 (3:6, 2:6) | details | 24.04.2025 |
| 1/8-finals | Kawachi K./Tokuda R. | Inui Y./Kawahashi Y. | 2:0 (6:2, 6:4) | details | 22.04.2025 |
| Japan: M15 Osaka - Doubles - Main |
|---|
| Semi-finals | Huang T./Wang K. | Kawachi K./Tokuda R. | 2:1 (6:3, 5:7, 10:5) | details | 18.04.2025 |
| Quarter-finals | Kawachi K./Tokuda R. | Tabata R./Yamanaka T. | 2:0 (6:3, 6:2) | details | 18.04.2025 |
| 1/8-finals | Adachi T./Kojima R. | Kawachi K./Tokuda R. | 0:2 (2:6, 1:6) | details | 17.04.2025 |
| Japan: M15 Kashiwa - Doubles - Main |
|---|
| Quarter-finals | Kawachi K./Tokuda R. | Ho R./Nam Ji S. | WO. | details | 04.04.2024 |
| 1/8-finals | Ito T./Katayama S. | Kawachi K./Tokuda R. | 1:2 (3:6, 7:5, 6:10) | details | 02.04.2024 |
 Thailand: M15 Nakhon Si Thammarat 4 - Doubles - Main |
|---|
| 1/8-finals | Bayldon B./Isaro P. | Kawachi K./Tokuda R. | WO. | details | 11.07.2023 |
| Thailand: M15 Nakhon Si Thammarat 3 - Doubles - Main |
|---|
| Semi-finals | Kawachi K./Tokuda R. | Charoenphon Y./Samrej K. | 1:2 (62:7, 6:1, 4:10) | details | 07.07.2023 |
| Quarter-finals | Bayldon B./Isaro P. | Kawachi K./Tokuda R. | 0:2 (65:7, 3:6) | details | 06.07.2023 |
| 1/8-finals | Chaiyarin C./Chanta T. | Kawachi K./Tokuda R. | 0:2 (3:6, 3:6) | details | 04.07.2023 |
 Tunisia: M15 Monastir 50 - Doubles - Main |
|---|
| Final | Kawachi K./Tokuda R. | Abderrahman W./Bu Y. | 1:2 (7:5, 4:6, 9:11) | details | 01.01.2022 |
| Semi-finals | Kawachi K./Tokuda R. | Jans J./Rojas O. | 2:1 (6:4, 4:6, 10:8) | details | 31.12.2021 |
| Quarter-finals | Kawachi K./Tokuda R. | Sueoka Y./Yamanaka T. | 2:0 (6:4, 6:2) | details | 30.12.2021 |
| 1/8-finals | Kawachi K./Tokuda R. | Goldberg Alviani N. R./Mozhaev S. | 2:0 (6:0, 6:0) | details | 28.12.2021 |
| Tunisia: M15 Monastir 49 - Doubles - Main |
|---|
| Final | Vincent Ruggeri S./Bu Y. | Kawachi K./Tokuda R. | 2:1 (6:3, 3:6, 10:6) | details | 25.12.2021 |
| Semi-finals | Butulija B./Obradovic D. | Kawachi K./Tokuda R. | 0:2 (4:6, 4:6) | details | 24.12.2021 |
| Quarter-finals | Nishiwaki K./Sueoka Y. | Kawachi K./Tokuda R. | 0:2 (4:6, 3:6) | details | 23.12.2021 |
| 1/8-finals | Taczala D./Zgola B. | Kawachi K./Tokuda R. | 0:2 (4:6, 1:6) | details | 21.12.2021 |
