Ben Shelton has never been to a Grand Slam final, but he'll have to beat the No. 1 tennis player in the world to get there.

Ben Shelton has reached his first Australian Open semifinal by defeating Lorenzo Sonego 6-4, 7-5, 4-6, 7-6 (4) in an entertaining match.

The 21st seed Ben Shelton is through to his second Major semi-final at the Australian Open, the first in Melbourne. The young American ousted Lorenzo Sonego 6-4, 7-5, 4-6, 7-6 in three hours and 50 minutes,