Ben Shelton won his first ATP Masters 1000 title Thursday night at the National Bank Open in Toronto and served notice to the tennis world ahead of the U.S. Open.

Ben Shelton is headed to his first ATP Masters 1000 final after taking down World No. 4 Taylor Fritz at the National Bank Open in Toronto.

Three years after his first ATP victory, the 22-year-old Ben Shelton is a Masters 1000 champion! The young American conquered the Canada Masters in Toronto following a 6-7, 6-4, 7-6 triumph over Karen Khachanov.