On April 26, 2021, he reached a career-high ranking of world No. 52 in doubles and was a member of the British Davis Cup winning team in 2015.
He won his first Challenger title on October 17, 2017, when he defeated Tim Putz at the 2017 Sparkassen ATP Challenger.
Harris has three ATP Challenger singles and two Challenger doubles trophies, as well as 13 ITF singles and four ITF doubles titles.
He’s a counterpuncher who grinds opponents down with heavy topspin. His strongest shot is a heavy topspin forehand.
His playing style could generally be described as aggressive, and his level tends to fluctuate over the course of a match.
His most notable run, however, came in 2021 where he not only recorded his best Grand Slam finish but also won his first ATP title.
Despite not having won an ATP title in his career, he has finished second in four singles finals and one doubles final.
In 2011, Popyrin won the Australian u12s Grasscourt Championships and, with Chase Ferguson, won the u12s National Claycourt Doubles.
He reached the semifinals after defeating eighth seed Diego Schwartzman, 20th seed Felix Auger-Aliassime, and 18th seed Grigor Dimitrov in his first main draw of a major.
Alcaraz reached the No. 22 spot in the world as a junior and won two titles on the International Tennis Federation (ITF) junior circuit.