 Guam: M15 Harmon - Doubles - Main |
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| Quarter-finals | Fukuda S./Isomura K. | Hayashi K./Kusuhara Y. | 2:0 (6:3, 6:4) | details | 06.06.2024 |
| 1/8-finals | Hayashi K./Kusuhara Y. | Atturu B. S./Schembari A. | 2:0 (6:2, 6:0) | details | 04.06.2024 |
 Japan: M15 Karuizawa - Doubles - Main |
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| Semi-finals | Kawachi K./Uchida K. | Kusuhara Y./Nakagawa S. | 0:2 (4:6, 3:6) | details | 01.06.2024 |
| Final | Kusuhara Y./Nakagawa S. | Delaney Ja./Delaney Je. | 2:1 (6:4, 3:6, 11:9) | details | 01.06.2024 |
| Quarter-finals | Kusuhara Y./Nakagawa S. | Horie T./Kono Y. | 2:1 (3:6, 6:4, 10:7) | details | 30.05.2024 |
| 1/8-finals | Kusuhara Y./Nakagawa S. | Hayashi K./Sugaya Y. | 2:1 (7:5, 3:6, 10:5) | details | 29.05.2024 |
| Japan: M15 Tsukuba - Doubles - Main |
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| Final | Ho R./Nam Ji S. | Kusuhara Y./Nakagawa S. | 0:2 (5:7, 64:7) | details | 30.03.2024 |
| Semi-finals | Kusuhara Y./Nakagawa S. | Kozuma R./Yamamoto R. | 2:0 (6:2, 7:5) | details | 29.03.2024 |
| 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 | Imamura M./Mochizuki Y. | Kusuhara Y./Nakagawa S. | 0:2 (1:6, 2:6) | details | 27.03.2024 |
| Japan: M15 Nishi-Tokyo - Doubles - Main |
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| Final | Kusuhara Y./Mochizuki Y. | Kono Y./Nishiwaki K. | 2:0 (7:69, 7:5) | details | 23.03.2024 |
| Semi-finals | Chikami S./Yamaguchi Y. | Kusuhara Y./Mochizuki Y. | 1:2 (7:65, 2:6, 4:10) | details | 22.03.2024 |
| Quarter-finals | Imamura M./Uesugi K. | Kusuhara Y./Mochizuki Y. | 0:2 (3:6, 2:6) | details | 21.03.2024 |
| 1/8-finals | Kusuhara Y./Mochizuki Y. | Huang T./Shiraishi H. | 2:1 (3:6, 6:4, 10:4) | details | 19.03.2024 |
| Japan: M15 Hinode - Doubles - Main |
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| Semi-finals | Imamura M./Uesugi K. | Kusuhara Y./Nakagawa S. | 2:1 (3:6, 6:3, 10:8) | details | 15.03.2024 |
| Quarter-finals | Isomura K./Xiao L. | Kusuhara Y./Nakagawa S. | 0:2 (1:6, 2:6) | details | 15.03.2024 |
| 1/8-finals | Manaka S./Nijo K. | Kusuhara Y./Nakagawa S. | 0:2 (2:6, 2:6) | details | 14.03.2024 |
| Japan: M15 Yanagawa 2 - Doubles - Main |
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| Semi-finals | Kawachi K./Sueoka Y. | Kusuhara Y./Shiraishi H. | 2:0 (6:4, 6:2) | details | 29.12.2023 |
| Quarter-finals | Hara Friend J. D./Miyoshi K. | Kusuhara Y./Shiraishi H. | 1:2 (6:0, 2:6, 8:10) | details | 28.12.2023 |
| 1/8-finals | Kusuhara Y./Shiraishi H. | Haliak M./Lee D. H. | 2:0 (7:62, 6:4) | details | 26.12.2023 |
| Japan: Matsuyama - Doubles - Main |
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| 1/8-finals | Kono Y./Kusuhara Y. | Nam Ji S./Uchida K. | CAN. | details | 08.11.2023 |
| Japan: M25 Takasaki - Doubles - Main |
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| Semi-finals | Ichikawa T./Kawachi K. | Kono Y./Kusuhara Y. | 2:1 (6:3, 64:7, 10:4) | details | 22.09.2023 |
| Quarter-finals | Kono Y./Kusuhara Y. | Saitoh K./Sumizawa D. | 2:0 (6:1, 6:3) | details | 21.09.2023 |
| 1/8-finals | Kono Y./Kusuhara Y. | Ehara H./Noguchi M. | 2:1 (6:3, 2:6, 10:5) | details | 20.09.2023 |
| Japan: M25 Sapporo 2 - Doubles - Main |
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| Final | Nakagawa S./Ogura K. | Kono Y./Kusuhara Y. | 2:1 (7:5, 4:6, 16:14) | details | 16.09.2023 |
| Semi-finals | Kono Y./Kusuhara Y. | Saitoh K./Tajima N. | 2:1 (6:1, 3:6, 10:5) | details | 16.09.2023 |
| Quarter-finals | Ehara H./Sekiguchi S. | Kono Y./Kusuhara Y. | WO. | details | 15.09.2023 |
| 1/8-finals | Kono Y./Kusuhara Y. | Masabayashi T./Matsuda K. | 2:0 (6:3, 6:2) | details | 13.09.2023 |
| Japan: M15 Karuizawa - Doubles - Main |
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| Quarter-finals | Kawachi K./Sumizawa D. | Kono Y./Kusuhara Y. | 2:0 (6:3, 6:4) | details | 01.06.2023 |
 Tunisia: M15 Monastir 17 - Doubles - Main |
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| 1/8-finals | Bouquier A./Rivet M. | Chikami S./Kusuhara Y. | 2:1 (2:6, 7:64, 10:4) | details | 25.04.2023 |
| Japan: M25 Tsukuba - Doubles - Main |
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| 1/8-finals | Kusuhara Y./Takeru Y. | Hsu Y. H./Huang T. | 0:2 (3:6, 2:6) | details | 29.03.2023 |
| Japan: Matsuyama - Doubles - Main |
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| 1/8-finals | Nam Ji S./Song M.-K. | Kono Y./Kusuhara Y. | 2:0 (6:3, 6:4) | details | 08.11.2022 |
| Japan: M25 Sapporo 2 - Doubles - Main |
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| Final | Isomura K./Sueoka Y. | Kono Y./Kusuhara Y. | 1:2 (5:7, 6:4, 6:10) | details | 10.09.2022 |
