(UPDATED 18 JANUARY 2026)
- Former Top 10 junior earned 1st ranking point in 2019, broke into Top 500 in 2022 and Top 200 at career-high No. 173 in November 2025 after run to US Open 2R as Q.
- Made ATP Tour debut at 2024 ATP Masters 1000 Miami, defeating Zhang in 1R and No. 14 Paul via RET for biggest win of career in 2R.
- Qualified for Grand Slam main draw debut at 2025 US Open (d. Blanch) and 2026 Australian Open.
- Owns 39-43 Challenger record (0-4 in finals), advancing to finals at 2024 Oeiras-2, 2025 Columbus, 2025 Lincoln and 2025 Charlottesville.
- Peaked at No. 3 in juniors in 2021, highlighted by runs in boys' singles to SFs of 2019 Roland Garros (l. to Rune) and Wimbledon, defeating future-World No. 1 Alcaraz in QF.
- Father, Martin Sr., is a former player, career-high No. 42 in singles and No. 5 in doubles, winning 40 titles, including 2006 US Open men's doubles champion w/Paes.