 Japan: W100 Takasaki - Doubles - Main |
|---|
| 1/8-finals | Volodko K./Zhao C. | Ishii S./Koike E. | 2:0 (6:4, 6:2) | details | 15.11.2023 |
 USA: US Open - Doubles - Main |
|---|
| 1/8-finals | Evans T./Hamilton A. | Ishii S./Koike E. | 2:0 (6:4, 7:5) | details | 06.09.2023 |
| 1/16-finals | Dencheva R./Yaneva E. | Ishii S./Koike E. | 1:2 (7:66, 4:6, 5:10) | details | 04.09.2023 |
 United Kingdom: Wimbledon - Doubles - Main |
|---|
| Quarter-finals | Ishii S./Koike E. | Evans T./Hamilton A. | 1:2 (4:6, 6:4, 7:10) | details | 13.07.2023 |
| 1/8-finals | Ishii S./Koike E. | Ivanova I./Rowinska M. | 2:1 (6:2, 3:6, 10:5) | details | 12.07.2023 |
| 1/16-finals | Ishii S./Koike E. | Mester C. M./Zhiyenbayeva S. | 2:0 (7:5, 6:1) | details | 11.07.2023 |
 Spain: W40 Palma del Rio - Doubles - Main |
|---|
| Quarter-finals | Ishii S./Koike E. | Gumulya B./Jones M. | 0:2 (3:6, 67:7) | details | 28.06.2023 |
| 1/8-finals | Martinez Solis C. S./Solar Donoso L. | Ishii S./Koike E. | 0:2 (3:6, 1:6) | details | 28.06.2023 |
 France: French Open - Doubles - Main |
|---|
| Semi-finals | Ishii S./Koike E. | Grant T. C./Ngounoue C. | 0:2 (0:6, 4:6) | details | 09.06.2023 |
| Quarter-finals | Gureva A./Kinoshita H. | Ishii S./Koike E. | 1:2 (4:6, 7:63, 4:10) | details | 08.06.2023 |
| 1/8-finals | El Allami M./El Aouni A. | Ishii S./Koike E. | 0:2 (4:6, 1:6) | details | 07.06.2023 |
| 1/16-finals | Anazagasty-Pursoo A./Evans T. | Ishii S./Koike E. | 0:2 (2:6, 4:6) | details | 05.06.2023 |
 Australia: Australian Open - Doubles - Main |
|---|
| Semi-finals | Jamrichova R./Urgesi F. | Ishii S./Koike E. | 2:0 (7:65, 6:4) | details | 26.01.2023 |
| Quarter-finals | Munk Mortensen R./Sidorova K. | Ishii S./Koike E. | 1:2 (4:6, 6:4, 7:10) | details | 26.01.2023 |
| 1/8-finals | Murthy A./Rowinska M. | Ishii S./Koike E. | 0:2 (4:6, 1:6) | details | 25.01.2023 |
| 1/16-finals | Gregg G./Kim E. | Ishii S./Koike E. | 0:2 (2:6, 0:6) | details | 22.01.2023 |
