Australian Open semifinals are set. Wednesday's matches finalized the opponents, and there is one American left standing in men's singles: 22-year-old Ben Shelton. Shelton, the No. 21 seed, won a grueling quarterfinal against unseeded Cinderella Lorenzo Sonego,

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,

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

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.

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.

Ben Shelton's Australian Open quarterfinal foe, Lorenzo Sonego, produced the shot of the tournament — diving to his left for a volley with so much spin that the ball bounced on one side of the net, then floated back over to the other — but it was the American who ended up with the victory Wednesday.

Ben Shelton has expressed his relief after reaching a maiden Australian Open semifinal after battling to a 6-4, 7-5, 4-6, 7-6 victory over Lorenzo Sonego on Wednesday.