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.

Watch Lorenzo Sonego deliver the shot of the year in his thrilling quarter-final against Ben Shelton at the Australian Open Day 11. A match not to be missed

Ben Shelton advanced to the semi-final of the hard court major after beating Lorenzo Sonego 6-4, 7-5, 4-6, 7-6 (7-4) at the Rod Laver Arena on Wednesday.

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, remaining on the title course.

The big-serving American 21st seed will face either defending champion Jannik Sinner or Australia’s Alex de Minaur for a place in the final at Park.

Swiatek will face No. 19 Madison Keys of the U.S. on Thursday night for a berth in the final. The other women’s semifinal is No. 1 Aryna Sabalenka, the two-time defending champion, against her good friend, No. 11 Paula Badosa.

Lorenzo Sonego's Australian Open has come to an end at the hands of American Ben Shelton, who trumped him 6-4 7-5 4-6 7-6(4) to book his second appearance in a grand slam semi-final. Shelton, the youngest American male to reach a second singles quarter-final at the AO since Andy Roddick over 20 years ago,

Since 1988, when the Australian Open moved to Melbourne Park, Shelton is just the second left-handed player to reach the semi-finals of both hard court grand slams, after the great Rafael Nadal. He is also the youngest left-handed player to reach the Australian Open semi-finals since Nadal back in 2008.