 Malaysia: W15 Ipoh Perak - Doubles - Main |
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| 1/8-finals | Kobayashi H./Nagata A. | Ogata H./Wu Ho C. | 0:2 (4:6, 5:7) | details | 27.02.2024 |
 India: W40 Navi Mumbai - Doubles - Main |
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| 1/8-finals | Katsumi N./Kobayashi H. | Desai Z./Zaytseva K. | 1:2 (1:6, 6:4, 2:10) | details | 26.12.2023 |
| India: W25 Solapur - Doubles - Main |
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| 1/8-finals | Kozaki F./Matsuda M. | Kobayashi H./Van De Peer V. | 2:0 (6:1, 6:2) | details | 20.12.2023 |
 Japan: W25 Hamamatsu - Doubles - Main |
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| 1/8-finals | Saigo R./Saigo Y. | Chanta A./Kobayashi H. | 1:0 RET. (6:1, 1:0) | details | 10.10.2023 |
| Japan: W40 Nanao - Doubles - Main |
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| Quarter-finals | Kobayashi H./Yoshioka K. | Ito A./Sema E. | 1:2 (6:3, 3:6, 4:10) | details | 29.09.2023 |
| 1/8-finals | Kobayashi H./Yoshioka K. | Ishida S./Kitamura M. | 2:0 (6:1, 6:2) | details | 26.09.2023 |
| Japan: W25 Kyoto - Doubles - Main |
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| 1/8-finals | Kobayashi H./Yoshioka K. | Ivanova D./Li Y. | 0:2 (3:6, 5:7) | details | 19.09.2023 |
 South Korea: W15 Yeongwol 2 - Doubles - Main |
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| Quarter-finals | Im H./Kim Eunchae | Kobayashi H./Wu Ho C. | 2:0 (6:3, 6:4) | details | 07.09.2023 |
| 1/8-finals | Kim D. H./Ryu Ha Yeong | Kobayashi H./Wu Ho C. | 0:2 (4:6, 3:6) | details | 05.09.2023 |
| South Korea: W15 Yeongwol - Doubles - Main |
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| Quarter-finals | Kobayashi H./Lee E. | Jang S. H./Oh Y. | 1:2 (6:0, 4:6, 7:10) | details | 31.08.2023 |
| 1/8-finals | Kobayashi H./Lee E. | Jang S. H./Lim E. | 2:0 (6:1, 7:5) | details | 29.08.2023 |
| Japan: W15 Sapporo 3 - Doubles - Main |
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| Quarter-finals | Kobayashi H./Kozaki F. | Goto R./Kadowaki . Y. | WO. | details | 10.08.2023 |
| 1/8-finals | Kobayashi H./Kozaki F. | Kikawada R./Nishimura K. | 2:0 (6:4, 7:64) | details | 09.08.2023 |
| Japan: W15 Sapporo 2 - Doubles - Main |
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| Semi-finals | Back D./Jeong B. | Choi J. H./Kobayashi H. | 2:1 (6:3, 4:6, 10:5) | details | 04.08.2023 |
| Quarter-finals | Ahn Y. J./Sato H. | Choi J. H./Kobayashi H. | 0:2 (4:6, 65:7) | details | 04.08.2023 |
| 1/8-finals | Miyata M./Tamura K. | Choi J. H./Kobayashi H. | 0:2 (1:6, 4:6) | details | 02.08.2023 |
 Thailand: W15 Nakhon Si Thammarat 4 - Doubles - Main |
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| Semi-finals | Chimchum Y./Kumhom L. | Kobayashi H./Smith A. | 2:1 (6:4, 4:6, 10:7) | details | 22.07.2023 |
| Quarter-finals | Kobayashi H./Smith A. | Ahn Y. J./Sato H. | 2:1 (6:2, 2:6, 10:8) | details | 20.07.2023 |
| 1/8-finals | Kobayashi H./Smith A. | Atidphokin P./Teerachodjiranon N. | 2:0 (6:0, 6:2) | details | 18.07.2023 |
| Thailand: W15 Nakhon Si Thammarat 3 - Doubles - Main |
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| Quarter-finals | Barry M./Bhamidipaty S. R. | Kobayashi H./Sato H. | 2:0 (6:3, 7:63) | details | 13.07.2023 |
| 1/8-finals | Kobayashi H./Sato H. | Sawatdee W./Thongkum P. | 2:0 (6:4, 6:2) | details | 11.07.2023 |
| Thailand: W25 Nakhon Si Thammarat 2 - Doubles - Main |
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| 1/8-finals | Kumhom L./Ounmuang S. | Kobayashi H./Wi H. W. | 2:1 (1:6, 7:66, 10:7) | details | 04.07.2023 |
| Japan: W15 Kashiwa - Doubles - Main |
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| 1/8-finals | Yamaguchi A./Yoshioka K. | Inoue A./Kobayashi H. | 2:1 (3:6, 6:2, 10:6) | details | 06.06.2023 |
| Japan: W15 Fukui - Doubles - Main |
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| Quarter-finals | Mushika Mao/Mushika Mio | Kobayashi H./Rioux L. | 2:1 (6:2, 5:7, 10:5) | details | 28.04.2023 |
| 1/8-finals | Kobayashi H./Rioux L. | Hosoki Y./Sawayanagi R. | 2:1 (6:3, 4:6, 11:9) | details | 27.04.2023 |
| Japan: W15 Osaka - Doubles - Main |
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| 1/8-finals | Kobayashi H./Rioux L. | Morisaki K./Shimizu E. | 0:2 (4:6, 3:6) | details | 18.04.2023 |
