 Japan: M15 Tsukuba - Doubles - Main |
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| 1/8-finals | Lee J. M./Song M.-K. | Shiraishi H./Tajima N. | 2:0 (6:2, 6:1) | details | 27.03.2024 |
| Japan: M15 Nishi-Tokyo - Doubles - Main |
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| 1/8-finals | Kusuhara Y./Mochizuki Y. | Huang T./Shiraishi H. | 2:1 (3:6, 6:4, 10:4) | details | 19.03.2024 |
 Australia: M25 Traralgon - Doubles - Main |
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| 1/8-finals | Ochi M./Shiraishi H. | Hulme M./Watt J. | 1:2 (2:6, 6:4, 10:12) | details | 21.02.2024 |
| 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: M15 Yanagawa - Doubles - Main |
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| 1/8-finals | Matsumura R./Matsuoka H. | Matsuda K./Shiraishi H. | 2:1 (7:5, 5:7, 15:13) | details | 22.12.2023 |
| 1/8-finals | Kawahashi Y./Sumizawa D. | Matsuda K./Shiraishi H. | CAN. | details | 21.12.2023 |
 Malaysia: M15 Ipoh Perak - Doubles - Main |
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| 1/8-finals | M Rifqi F./Susanto A. | Kawahashi Y./Shiraishi H. | CAN. | details | 23.11.2023 |
| Malaysia: M15 Kuching - Doubles - Main |
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| Quarter-finals | Loof T./Pichler D. | Kawahashi Y./Shiraishi H. | 2:0 (6:2, 6:4) | details | 17.11.2023 |
| 1/8-finals | Kawahashi Y./Shiraishi H. | Genier T./Lavizzari M. | 2:0 (6:2, 6:3) | details | 14.11.2023 |
| Australia: M25 Cairns - Doubles - Main |
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| 1/8-finals | Beale J./Fancutt T. J. | Ichikawa T./Shiraishi H. | 2:0 (7:63, 6:3) | details | 04.10.2023 |
| Japan: M25 Takasaki - Doubles - Main |
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| Quarter-finals | Shiraishi H./Tajima N. | Ochi M./Tanuma R. | 1:2 (6:4, 4:6, 4:10) | details | 21.09.2023 |