Turkey: W15 Antalya 3 - Doubles - Main |
| 1/8-finals | Cao Y./Koike E. | Giordano M./Hoste Ferrer C. | 2:1 (4:6, 6:1, 11:9) | details | 21.01.2025 |
Turkey: W15 Antalya 2 - Doubles - Main |
| Quarter-finals | Koike E./Matsuda R. | Steur J. L. S./Van Impe A. | 0:2 (4:6, 4:6) | details | 16.01.2025 |
| 1/8-finals | Koike E./Matsuda R. | Ionescu E. M./Matuszewski L. | 2:0 (7:65, 7:61) | details | 14.01.2025 |
Japan: W100 Takasaki - Doubles - Main |
| 1/8-finals | Jang S. J./You X. | Kinoshita H./Koike E. | 2:0 (7:63, 6:3) | details | 21.11.2024 |
USA: W35 Berkeley, CA - Doubles - Main |
| 1/8-finals | Herrero Linana A./Yamalapalli S. | Koike E./Sonobe W. | 2:0 (7:66, 6:3) | details | 26.09.2024 |
United Kingdom: W50 Nottingham - Doubles - Main |
| Quarter-finals | Swan K./Xu M. | Ishii S./Koike E. | 2:0 (6:4, 6:4) | details | 18.07.2024 |
| 1/8-finals | Ishii S./Koike E. | John-Baptiste L./Osborne A. | 2:0 (6:1, 6:1) | details | 17.07.2024 |
United Kingdom: Wimbledon - Doubles - Main |
| 1/8-finals | Jamrichova R./Koike E. | Arystanbekova A./Zhiyenbayeva S. | 1:2 (2:6, 6:3, 6:10) | details | 11.07.2024 |
| 1/16-finals | Jamrichova R./Koike E. | Johnson F./Korpanec Davies A. | 2:0 (6:0, 6:1) | details | 10.07.2024 |
France: W100 Biarritz - Doubles - Main |
| 1/8-finals | Kozyreva M./Kulambayeva Z. | Koike E./Saito S. | 2:0 (6:4, 6:1) | details | 12.06.2024 |
Australia: Australian Open - Doubles - Main |
| Semi-finals | Koike E./Saito S. | Grant T. C./Jovic I. | 0:2 (3:6, 64:7) | details | 26.01.2024 |
| Quarter-finals | Koike E./Saito S. | Nijkamp R. M./Valdmannova V. | 2:0 (7:5, 6:1) | details | 24.01.2024 |
| 1/8-finals | Koike E./Saito S. | Hamilton A./Sartz-Lunde E. | 2:0 (6:2, 6:3) | details | 23.01.2024 |
| 1/16-finals | Koike E./Saito S. | Egorova D./Mincheva V. | 2:0 (6:4, 6:1) | details | 21.01.2024 |
Japan: W100 Takasaki 2 - Doubles - Main |
| 1/8-finals | Kinoshita H./Koike E. | Liang E. S./Wu F. | 0:2 (5:7, 3:6) | details | 22.11.2023 |