Coco Gauff was defeated by Paula Badosa in the Australian Open quarterfinals on Monday, suffering a straight-sets loss that left fans stunned. With

In her last Grand Slam quarterfinal, the Spaniard fell apart in New York. She took the lessons to Gauff in Melbourne, and won.

MELBOURNE, Australia — Coco Gauff's retooled forehand and serve abandoned her in the worst way and at the worst time at the Australian Open. The unforced errors just kept accumulating, and so did the double-faults and break points, often followed by a palm placed over her eyes or a slap to a thigh.

Delray Beach's Coco Gauff was eliminated from the Australian Open Tuesday, losing in straight sets to Spain's Paula Badosa. The third-seeded Gauff, who had been playing well since the end of the year, fell 7-5, 6-4 in the quarterfinals at Rod Laver Arena.

Coco Gauff has ridden a hot streak since last Fall, carrying her momentum into the Australian Open. However, the 3-seed met a surging Paula Badosa in the quarterfinals, which spelled trouble for the American tennis star.

Spain’s Paula Badosa stunned Gauff and grabbed a 7-5, 6-4 win in straight sets in what was a hot battle at Rod Laver Arena on Tuesday afternoon to earn her spot in the semifinals of the first Grand Slam of the year. It marked Badosa’s first-ever win over a top-10 opponent in a Grand Slam, and moved her to ninth in the world.

America's Coco Gauff faces Spain's Paula Badosa in the quarterfinals at the Australian Open tonight. Here's how to tune in.

Coco Gauff, the world No. 3, keeps on trucking in her journey to tennis superstardom. The 19-year-old American has bulldozed her way through the Australian Open with grace and precision so far. In the fourth round, she faced Belinda Bencic and came out on top after losing the first set.

Iga Swiatek will face Madison Keys in the first semi-final of the day followed by the clash between Aryna Sabalenka and Paula Badosa in the second match at the Rod Laver Arena.

Jannik Sinner had a notable gesture when he welcomed Darren Cahill's father at his final training session before the Australian Open semifinals in a classy move featured in a new Daily Dose of Social Media.

Follow live text and radio commentary featuring Aryna Sabalenka and Iga Swiatek from the Australian Open semi-finals in Melbourne.