 Japan: M15 Nishi-Tokyo - Doubles - Main |
|---|
| Semi-finals | Nam Ji S./Uesugi K. | Kawahashi Y./Shiraishi H. | 2:0 (6:4, 7:5) | details | 21.03.2025 |
| Quarter-finals | Kawahashi Y./Shiraishi H. | Lee K./Wang K. | 2:0 (6:1, 6:4) | details | 20.03.2025 |
| 1/8-finals | Kawahashi Y./Shiraishi H. | Benson M./Matsumura R. | 2:0 (6:2, 6:4) | details | 18.03.2025 |
| Japan: M15 Hinode - Doubles - Main |
|---|
| 1/8-finals | Kawahashi Y./Ochi M. | Oh Chan-Yeong/Park S. | CAN. | details | 12.03.2025 |
 China: M15 Maanshan 2 - Doubles - Main |
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| 1/8-finals | Kawahashi Y./Masabayashi T. | Sumizawa D./Takahashi Y. | 1:2 (6:1, 2:6, 7:10) | details | 04.03.2025 |
| China: M15 Maanshan - Doubles - Main |
|---|
| Final | Jeong Y./Kawahashi Y. | Haliak M./Lo Y. J. | 2:0 (6:2, 6:1) | details | 01.03.2025 |
| Semi-finals | Masabayashi T./Sumizawa D. | Jeong Y./Kawahashi Y. | 1:2 (4:6, 6:3, 6:10) | details | 28.02.2025 |
| Quarter-finals | Jeong Y./Kawahashi Y. | Sun Qian/Tang S. | 2:0 (7:63, 6:4) | details | 27.02.2025 |
| 1/8-finals | Jeong Y./Kawahashi Y. | Castelnuovo L./Chanta T. | 2:0 (6:1, 7:65) | details | 26.02.2025 |
 India: M25 Chennai - Doubles - Main |
|---|
| Semi-finals | Eqbal I./Shah A. | Kawahashi Y./Matsuda R. | 2:1 (6:2, 63:7, 14:12) | details | 17.01.2025 |
| Quarter-finals | Banthia S./Vardhan V. | Kawahashi Y./Matsuda R. | 0:2 (4:6, 4:6) | details | 16.01.2025 |
| 1/8-finals | Somani P./Sureshkumar M. | Kawahashi Y./Matsuda R. | 0:2 (63:7, 4:6) | details | 14.01.2025 |
 Egypt: M15 Sharm ElSheikh 17 - Doubles - Main |
|---|
| Quarter-finals | Blazka D./Gengel M. | Kawahashi Y./Kikuchi Y. | 0:0 RET. (3:1) | details | 21.11.2024 |
| 1/8-finals | Molder M./Ojakaar O. | Kawahashi Y./Kikuchi Y. | 0:2 (5:7, 5:7) | details | 19.11.2024 |
| India: M25 Mumbai - Doubles - Main |
|---|
| Quarter-finals | Kawahashi Y./Nishiwaki K. | Ganesan A./Shah A. | 1:2 (6:3, 3:6, 7:10) | details | 14.11.2024 |
| 1/8-finals | Somani P./Sureshkumar M. | Kawahashi Y./Nishiwaki K. | 1:2 (64:7, 6:4, 9:11) | details | 13.11.2024 |
| Japan: M15 Yanagawa City - Doubles - Main |
|---|
| Quarter-finals | Honda N./Tomida Y. | Fukuda S./Kawahashi Y. | 2:0 (6:2, 7:5) | details | 31.10.2024 |
| 1/8-finals | Hayashi K./Yamanaka T. | Fukuda S./Kawahashi Y. | 0:2 (1:6, 62:7) | details | 30.10.2024 |
| Japan: M25 Takasaki - Doubles - Main |
|---|
| Final | Kawahashi Y./Matsuda R. | Saitoh K./Tajima N. | 2:1 (7:68, 65:7, 10:6) | details | 21.09.2024 |
| Semi-finals | Kawahashi Y./Matsuda R. | Isomura K./Sueoka Y. | 2:0 (7:5, 6:4) | details | 20.09.2024 |
| Quarter-finals | Watanabe S./Takeru Y. | Kawahashi Y./Matsuda R. | 0:2 (4:6, 3:6) | details | 19.09.2024 |
| 1/8-finals | Kawahashi Y./Matsuda R. | Koizumi N./Taka Y. | 2:0 (6:2, 6:2) | details | 17.09.2024 |
| Japan: M25 Sapporo 2 - Doubles - Main |
|---|
| 1/8-finals | Kusuhara Y./Nakagawa S. | Kawahashi Y./Kikuchi Y. | 2:0 (7:5, 6:3) | details | 12.09.2024 |
| Japan: M25 Sapporo - Doubles - Main |
|---|
| Final | Kawahashi Y./Taguchi R. | Katayama S./Kusuhara Y. | 0:2 (5:7, 1:6) | details | 08.09.2024 |
| Semi-finals | Isomura K./Sueoka Y. | Kawahashi Y./Taguchi R. | 1:2 (6:1, 2:6, 6:10) | details | 07.09.2024 |
| Quarter-finals | Kono Y./Nakagawa S. | Kawahashi Y./Taguchi R. | 1:2 (4:6, 6:3, 7:10) | details | 06.09.2024 |
