Serbia: M25 Kursumlijska Banja 2 - Doubles - Main |
| 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 |
| 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 |
| 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 |
Serbia: M25 Kursumlijska Banja - Doubles - Main |
| Semi-finals | Saitoh K./Sumizawa D. | Donev G./Juhas K. | 0:2 (4:6, 4:6) | details | 10.05.2024 |
| Quarter-finals | Frusina A./Ghibaudo A. | Saitoh K./Sumizawa D. | 1:2 (62:7, 6:2, 7:10) | details | 09.05.2024 |
| 1/8-finals | Shandarov R./Shandarov V. | Saitoh K./Sumizawa D. | 0:2 (0:6, 1:6) | details | 08.05.2024 |
Serbia: M15 Kursumlijska Banja 3 - Doubles - Main |
| Quarter-finals | Saitoh K./Sumizawa D. | Demanet E./Loge J. | 1:2 (4:6, 7:5, 6:10) | details | 02.05.2024 |
| 1/8-finals | Saitoh K./Sumizawa D. | Hess S./Valle F. | 2:0 (6:2, 6:3) | details | 30.04.2024 |
Japan: M15 Kashiwa - Doubles - Main |
| Quarter-finals | Saitoh K./Sumizawa D. | Huang T./Jeong Y. | 0:2 (4:6, 4:6) | details | 04.04.2024 |
| 1/8-finals | Kono S./Okamura I. | Saitoh K./Sumizawa D. | 0:2 (1:6, 1:6) | details | 02.04.2024 |
Japan: M15 Tsukuba - Doubles - Main |
| Quarter-finals | Kusuhara Y./Nakagawa S. | Kawachi K./Saitoh K. | 2:1 (6:3, 4:6, 10:7) | details | 28.03.2024 |
| 1/8-finals | Kawachi K./Saitoh K. | Matsuda K./Takeru Y. | 2:0 (7:63, 6:4) | details | 27.03.2024 |
Japan: M15 Nishi-Tokyo - Doubles - Main |
| Semi-finals | Kono Y./Nishiwaki K. | Saitoh K./Yamanaka T. | 2:0 (6:3, 7:64) | details | 22.03.2024 |
| Quarter-finals | Saitoh K./Yamanaka T. | Sumizawa D./Taguchi R. | 2:0 (7:65, 6:3) | details | 21.03.2024 |
| 1/8-finals | Saitoh K./Yamanaka T. | Sakellaridis S./Southcombe M. | 2:1 (3:6, 6:3, 10:7) | details | 19.03.2024 |
Japan: M15 Hinode - Doubles - Main |
| Quarter-finals | Imamura M./Uesugi K. | Lee D. H./Saitoh K. | 2:0 (6:1, 7:5) | details | 15.03.2024 |
| 1/8-finals | Kono Y./Sumizawa D. | Lee D. H./Saitoh K. | 0:2 (4:6, 5:7) | details | 14.03.2024 |
Tunisia: M15 Monastir 8 - Doubles - Main |
| 1/8-finals | Kudriashov I./Lobanov A. | Saitoh K./Yamanaka T. | 2:0 (6:4, 6:4) | details | 22.02.2024 |
Tunisia: M15 Monastir 7 - Doubles - Main |
| Quarter-finals | Flores J./Potenza L. | Saitoh K./Yamanaka T. | 2:1 (6:4, 4:6, 10:5) | details | 15.02.2024 |
| 1/8-finals | Brunold M./Lavizzari M. | Saitoh K./Yamanaka T. | 0:2 (4:6, 0:6) | details | 13.02.2024 |
Tunisia: M15 Monastir 6 - Doubles - Main |
| Quarter-finals | Bertrand R./Pietri B. | Saitoh K./Yamanaka T. | 2:0 (6:2, 7:5) | details | 08.02.2024 |
| 1/8-finals | Saitoh K./Yamanaka T. | Lobanov A./Tiurnev E. | 2:1 (65:7, 6:3, 10:7) | details | 06.02.2024 |
Tunisia: M15 Monastir 4 - Doubles - Main |
| Quarter-finals | Inoue G./Saitoh K. | Ouakaa A./Perez Sanz D. | 0:2 (2:6, 3:6) | details | 25.01.2024 |