| Tournament Name: | 2019 U.S. Open 9-ball Championship |
| Startdate: | 21 |
| Enddate: | 26 April 2019 |
| City: | Las Vegas |
| Country: | United States |
| Organisation: | Matchroom Pool |
| Format: | Double elimination |
| Winner: | Joshua Filler |
| Runner Up: |  Wu Jiaqing |
| Score: | 13-10 |
| Previous: | 2017 |
| Next: | 2021 |
The 2019 US Open 9-Ball Championship was an international pool tournament in the discipline 9-Ball, held from 21–26 April 2019 in Las Vegas, United States. It was the 43rd entry of the U.S. Open 9-Ball Championships. Germany's Joshua Filler won the event with a 13–10 final victory against Wu Jiaqing to win his first US Open championship.
The defending champion was Jayson Shaw, however Shaw was defeated by Filler in the last 16.
The tournament was played as a double-elimination tournament and as a to 11 under rules. The event featured a full roster of 256 players.
The tournament prize fund was a total of $300,000 with the winner receiving $50,000.[1]
| Prize Money | ||
|---|---|---|
| Winner | $50,000 | |
| Finalist | $25,000 | |
| Semi finalist | $12,000 | |
| Quarter finalist | $6,250 | |
| 9th | $3,500 | |
| 17th | $2,750 | |
| 25th | $2,250 | |
| 33rd | $1,750 | |
| 49th | $1,500 | |
| 65th | $1,000 | |
| 97th | $750 | |
| Total | $300,000 |