 Japan: W50 Kofu - Doubles - Main |
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| 1/8-finals | Cabrera L./Hon P. | Fung S./Kozaki F. | 2:1 (6:4, 3:6, 10:6) | details | 27.03.2024 |
 Turkey: W35 Antalya 2 - Doubles - Main |
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| Quarter-finals | Dinu C./Oliynykova O. | Aikawa M./Kozaki F. | 2:0 (6:1, 6:1) | details | 08.02.2024 |
| 1/8-finals | Aikawa M./Kozaki F. | Tsygourova K./Vargova N. | 2:1 (7:5, 1:6, 10:3) | details | 07.02.2024 |
| 1/8-finals | Aikawa M./Kozaki F. | Gjorcheska L./Vedder E. | CAN. | details | 07.02.2024 |
| Turkey: W15 Antalya 2 - Doubles - Main |
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| Final | Daubnerova N./Jaskova A. | Aikawa M./Kozaki F. | 0:2 (5:7, 2:6) | details | 03.02.2024 |
| Semi-finals | Toth A. K./Zhiyenbayeva S. | Aikawa M./Kozaki F. | 0:2 (3:6, 61:7) | details | 02.02.2024 |
| Quarter-finals | Sevcikova L./Yoruk I. | Aikawa M./Kozaki F. | 0:2 (0:6, 2:6) | details | 01.02.2024 |
| 1/8-finals | Aikawa M./Kozaki F. | Zolotareva A./Zolotareva R. | 2:0 (6:0, 6:1) | details | 31.01.2024 |
 India: W40 Navi Mumbai - Doubles - Main |
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| Final | Bartone K./Makarova E. | Kozaki F./Matsuda M. | 2:1 (6:3, 1:6, 10:7) | details | 30.12.2023 |
| Semi-finals | Kozaki F./Matsuda M. | Marcinkevica D./Sakellaridi S. | 2:0 (7:66, 7:61) | details | 29.12.2023 |
| Quarter-finals | Kozaki F./Matsuda M. | Bhosale R./Thombare P. | 2:0 (7:61, 6:2) | details | 28.12.2023 |
| 1/8-finals | Baharmus H./Sadiq S. | Kozaki F./Matsuda M. | 0:2 (2:6, 1:6) | details | 27.12.2023 |
| India: W25 Solapur - Doubles - Main |
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| Final | Kozaki F./Matsuda M. | Abe H./Imamura S. | 0:2 (3:6, 1:6) | details | 23.12.2023 |
| Semi-finals | Kozaki F./Matsuda M. | Kazionova E./Yashina E. | 2:0 (7:66, 6:0) | details | 22.12.2023 |
| Quarter-finals | Marcinkevica D./Sakellaridi S. | Kozaki F./Matsuda M. | 1:2 (7:5, 4:6, 10:12) | details | 21.12.2023 |
| 1/8-finals | Kozaki F./Matsuda M. | Kobayashi H./Van De Peer V. | 2:0 (6:1, 6:2) | details | 20.12.2023 |
| Japan: W40 Yokohama - Doubles - Main |
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| 1/8-finals | Kozaki F./Sato N. | Ito A./Kawaguchi N. | 0:2 (5:7, 0:6) | details | 28.11.2023 |
| Japan: W25 Hamamatsu - Doubles - Main |
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| Semi-finals | Imamura S./Kozaki F. | Abe H./Kawaguchi N. | 0:2 (0:6, 3:6) | details | 13.10.2023 |
| Quarter-finals | Inoue A./Ozeki M. | Imamura S./Kozaki F. | 0:2 (4:6, 5:7) | details | 12.10.2023 |
| 1/8-finals | Aikawa M./Kawagishi N. | Imamura S./Kozaki F. | 0:2 (0:6, 62:7) | details | 11.10.2023 |
| Japan: W25 Makinohara - Doubles - Main |
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| 1/8-finals | Kinoshita H./Saito S. | Imamura S./Kozaki F. | 2:0 (7:5, 7:5) | details | 04.10.2023 |
| Japan: W40 Nanao - Doubles - Main |
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| Quarter-finals | Hayashi E./Ma Y. | Kozaki F./Ozeki M. | 2:0 (6:2, 6:2) | details | 29.09.2023 |
| 1/8-finals | Akita S./Katsumi N. | Kozaki F./Ozeki M. | WO. | details | 26.09.2023 |
| 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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| 1/8-finals | Kawagishi N./Kozaki F. | Mushika Mao/Sato H. | 1:2 (6:4, 3:6, 17:19) | details | 02.08.2023 |
| Japan: W15 Sapporo - Doubles - Main |
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| Semi-finals | Kawagishi N./Kozaki F. | Han J./Mushika Mao | 1:2 (6:1, 4:6, 7:10) | details | 28.07.2023 |
| Quarter-finals | Kawagishi N./Kozaki F. | Ozeki A./Shigeta M. | 2:0 (7:5, 6:2) | details | 27.07.2023 |
| 1/8-finals | Kawagishi N./Kozaki F. | Kubo K./Nishimura K. | 2:0 (6:3, 6:3) | details | 25.07.2023 |
 Taiwan: W25 Tainan 2 - Doubles - Main |
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| 1/8-finals | Kozaki F./Morisaki K. | Mettraux M./Visscher S. J. | 0:2 (3:6, 4:6) | details | 21.06.2023 |
| Taiwan: W25 Tainan - Doubles - Main |
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| 1/8-finals | Hosoki Y./Shimizu A. | Kozaki F./Morisaki K. | 2:1 (3:6, 6:2, 10:8) | details | 14.06.2023 |