The Kinoshita Group Japan Open Tennis Championships in Japan, Tokyo, which this year runs from 24-30 September, has announced a prize money total of US $2,226,470 for the 2025 edition.
The singles champion will earn US $416,365, while the winning doubles team will split US $136,760. View the full prize-money breakdown and the PIF ATP Rankings points at stake below.
2025 Kinoshita Group Japan Open Tennis Championships Singles Prize Money
| Rounds | Points | Prize Money |
| Winner | 500 | $416,365 |
| Finalist | 330 | $224,035 |
| Semi-finalist | 200 | $119,395 |
| Quarter-finalist | 100 | $61,000 |
| Round of 16 | 50 | $32,650 |
| Round of 32 | 0 | $17,365 |
2025 Kinoshita Group Japan Open Tennis Championships Doubles Prize Money (per team)
| Rounds | Points | Prize Money |
| Winner | 500 | $136,760 |
| Finalist | 300 | $72,940 |
| Semi-finalist | 180 | $36,900 |
| Quarter-finalist | 90 | $18,460 |
| Round of 16 | 0 | $9,550 |
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