Carlos Alcaraz, 17, lost to Mikael Ymer on Thursday in the Australian Open second round.

Carlos Alcaraz owns a 4-0 record against Top 100 players.

Carlos Alcaraz advances to a second-round clash against David Goffin at the Great Ocean Road Open.

Carlos Alcaraz celebrates beating Hugo Dellien in Doha on Wednesday to qualify for the Australian Open.

Carlos Alcaraz overcomes a slow slow start in both sets to beat Russia’s Evgeny Karlovskiy on Tuesday in Australian Open qualifying.

Carlos Alcaraz is aiming to make his Grand Slam main draw debut at the Australian Open.

Carlos Alcaraz is the champion in Alicante, claiming his third ATP Challenger Tour title.

Carlos Alcaraz celebrates his third ATP Challenger Tour title, on home soil in Alicante.

Carlos Alcaraz reaches his fourth ATP Challenger Tour final in Alicante.

Carlos Alcaraz is the champion in Barcelona, claiming his second ATP Challenger Tour title.

Carlos Alcaraz competes at the ATP Challenger Tour event in Barcelona.

Spanish teen Carlos Alcaraz (right) won his first ATP Challenger Tour title under the tutelage of former World No. 1 Juan Carlos Ferrero.

Carlos Alcaraz celebrates his first ATP Challenger Tour title with coach and former World No. 1 Juan Carlos Ferrero.

Carlos Alcaraz lifts his first ATP Challenger Tour trophy, prevailing in Trieste.

Carlos Alcaraz moves into his first ATP Challenger Tour final on the clay of Trieste, Italy.

Carlos Alcaraz is the youngest player inside the Top 500 of the FedEx ATP Rankings.

Carlos Alcaraz prevails in his ATP Tour debut at the Rio Open presented by Claro.

15-year-old Carlos Alcaraz Garfia celebrates his first Top 200 win, reaching the third round at the ATP Challenger Tour event in Murcia, Spain.

Teens Lorenzo Musetti (left) and Carlos Alcaraz Garfia celebrate their first ATP Challenger Tour match wins.

Carlos Alcaraz enjoys a winning Grand Slam debut on Day 2 at the Australian Open.