(UPDATED 18 JANUARY 2026)
- Former World No. 3 junior broke into Top 50 in July 2022 and achieved career-high No. 29 in May 2025 soon after earning 100th career win en route to biggest SF of his career in Acapulco.
- Defeated countryman Giron to win 1st ATP Tour title in hometown of San Diego in 2022 and ended season on 16-1 run in tiebreaks.
- Played in back-to-back ATP Tour finals at Los Cabos and Atlanta as 19-year-old in 2021, becoming youngest American to reach multiple finals since Roddick in 2001-02.
- Returned to Milan and went 5-0 to capture 2022 Next Gen ATP Finals title after reaching SF in 2021.
- Upset No. 5 Rune 6-0 6-2 for biggest win of career to reach 2023 ATP Masters 1000 Shanghai 3R and No. 8 Rublev in 2024 Barcelona 2R for back-to-back Top 10 wins.
- Reached Roland Garros 3R, Wimbledon 4R and US Open 3R in 2022, highlighted by first Top 20 wins of career over No. 16 Shapovalov in Wimbledon 2R and No. 19 Dimitrov in US Open 2R and earned wins over No. 15 Rune and No. 18 Musetti en route to 2024 US Open 4R.