 Japan: Yokkaichi - Doubles - Main |
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| 1/8-finals | Isomura K./Shiraishi H. | Bar Biryukov P./Saitoh K. | 2:0 (6:2, 6:2) | details | 28.11.2024 |
| Japan: M25 Takasaki - Doubles - Main |
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| Final | Kawahashi Y./Matsuda R. | Saitoh K./Tajima N. | 2:1 (7:68, 65:7, 10:6) | details | 21.09.2024 |
| Semi-finals | Saitoh K./Tajima N. | Mochizuki Y./Ochi M. | 2:0 (7:62, 6:2) | details | 20.09.2024 |
| Quarter-finals | Hazawa S./Taguchi R. | Saitoh K./Tajima N. | 1:2 (6:3, 2:6, 5:10) | details | 19.09.2024 |
| 1/8-finals | Kono Y./Ogura K. | Saitoh K./Tajima N. | 0:2 (5:7, 5:7) | details | 17.09.2024 |
| Japan: M25 Sapporo 2 - Doubles - Main |
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| Semi-finals | Isomura K./Sueoka Y. | Saitoh K./Tajima N. | 2:0 (6:4, 6:4) | details | 14.09.2024 |
| Quarter-finals | Kawanishi H./Tabata R. | Saitoh K./Tajima N. | 0:2 (4:6, 4:6) | details | 13.09.2024 |
| 1/8-finals | Matsumura R./Matsuoka H. | Saitoh K./Tajima N. | 0:2 (5:7, 1:6) | details | 11.09.2024 |
| Japan: M25 Sapporo - Doubles - Main |
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| 1/8-finals | Imai S./Sumizawa D. | Saitoh K./Tajima N. | 2:1 (3:6, 6:3, 10:6) | details | 04.09.2024 |
 Taiwan: M25 Taipei - Doubles - Main |
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| 1/8-finals | Saitoh K./Shiraishi H. | Huang T./Jeong Y. | 0:2 (1:6, 2:6) | details | 30.07.2024 |
| Japan: M15 Tokyo 2 - Doubles - Main |
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| Quarter-finals | Shin S./Shin W. | Saitoh K./Tajima N. | 2:0 (6:3, 6:4) | details | 11.07.2024 |
| 1/8-finals | Fu H./Suzuki K. | Saitoh K./Tajima N. | WO. | details | 09.07.2024 |
| Japan: M15 Tokyo - Doubles - Main |
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| Quarter-finals | Saitoh K./Yamanaka T. | Shin S./Shin W. | 0:2 (1:6, 4:6) | details | 04.07.2024 |
| 1/8-finals | Saitoh K./Yamanaka T. | Ito T./Shiraishi H. | 2:1 (2:6, 7:5, 10:8) | details | 03.07.2024 |
 Serbia: M25 Kursumlijska Banja 2 - Doubles - Main |
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| 1/8-finals | Saitoh K./Uzhylovskyi V. | Latinovic S./Pavlovic L. | 0:2 (612:7, 4:6) | details | 05.06.2024 |
| Serbia: M15 Kursumlijska Banja 6 - Doubles - Main |
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| Semi-finals | Matsuoka H./Saitoh K. | Jovic V./Juhas K. | 0:2 (2:6, 0:6) | details | 31.05.2024 |
| Quarter-finals | Matsuoka H./Saitoh K. | Campbell N./Christodoulou S. | 2:0 (6:3, 7:67) | details | 30.05.2024 |
| 1/8-finals | Hadzimehmedovic R./Popovic S. | Matsuoka H./Saitoh K. | 0:2 (1:6, 0:6) | details | 29.05.2024 |
| 1/8-finals | Kyratzis S./Neos E. | Matsuoka H./Saitoh K. | CAN. | details | 29.05.2024 |
| Serbia: M15 Kursumlijska Banja 4 - Doubles - Main |
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| Final | Donev G./Ivanov S. A. | Saitoh K./Sumizawa D. | 0:2 (4:6, 0:6) | details | 18.05.2024 |
| Semi-finals | Saitoh K./Sumizawa D. | Kielan S./Markovski O. | 2:0 (6:2, 6:1) | details | 17.05.2024 |
| Quarter-finals | Ludoski Z./Matsuoka H. | Saitoh K./Sumizawa D. | 1:2 (6:4, 3:6, 9:11) | details | 16.05.2024 |
| 1/8-finals | Chambonniere M./Larue L. | Saitoh K./Sumizawa D. | 0:2 (1:6, 3:6) | details | 15.05.2024 |