The USTA has announced earlier this year that the prize money or the 2018 US Open – the last grand slam in the season – will be at a record high of $ 53 million US Dollar. It is the richest purse in tennis history. Since 2013 the prize money has increased by 57% in total. For more than 45 years the prize money is equal for men and women.
Both – the women´s and men´s – singles champions will earn $3,8 million.
Round-by-round individual prize money for the US Open is as follows:
Singles:
| Winner | 3,800,000 U$ |
| Runner-Up | 1,850,000 U$ |
| Semifinalist | 925,000 U$ |
| Quarterfinalist | 475,000 U$ |
| Round of 16 | 266,000 U$ |
| Round of 32 | 156,000 U$ |
| Round of 64 | 93,000 U$ |
| Round of 128 | 54,000 U$ |
Doubles:
| Winner | 700,000 U$ |
| Runner-Up | 350,000 U$ |
| Semifinalist | 166,400 U$ |
| Quarterfinalist | 85,275 U$ |
| Round of 16 | 46,500 U$ |
| Round of 32 | 27,875 U$ |
| Round of 64 | 16,500 U$ |
German