All six of his tour-level victories have come to the surface, and he stunned Casper Ruud and Francisco Cerundolo last year at Queen's Club.

Source: https://sports.ndtv.com/tennis/carlos-alcaraz-advances-to-quarterfinal-of-queens-club-championships-4144832

He hadn't even played a tour-level main-draw match at all in 2023, instead competing on the lower-level ATP Challenger Tour.

Source: https://www.dailyherald.com/sports/20230530/french-open-no-2-medvedev-loses-to-172nd-ranked-seyboth-wild

Tsitsipas is currently fourth in the Pepperstone ATP Live Race To Turin but could climb to top spot if he wins his 10th tour-level title in Paris after Live Race leader Daniil Medvedev suffered a shock first-round defeat on Tuesday.

Source: https://pragativadi.com/french-open-2023-fifth-seed-tsitsipas-cruises-into-third-round/?utm_source=rss&utm_medium=rss&utm_campaign=french-open-2023-fifth-seed-tsitsipas-cruises-into-third-round