Naomi Osaka's Grand Slam Titles, Finals, Records
Naomi Osaka's record in Grand Slam major singles finals.
| YEAR | EVENT | WINNER | RUNNER-UP | SCORE |
| 2021 | Australian Open | Naomi Osaka | Jennifer Brady | 6-4, 6-3 |
| 2020 | US Open | Naomi Osaka | Victoria Azarenka | 1-6, 6-3, 6-3 |
| 2019 | Australian Open | Naomi Osaka | Petra Kvitova | 7-6(2), 5-7, 6-4 |
| 2018 | US Open | Naomi Osaka | Serena Williams | 6-2, 6-4 |
- Grand Slam Finals Appearances: 4
- Grand Slam Titles: 4
- Grand Slam Finals Record: 4-0