Leo Vithoontien is a professional tennis player from Japan, born 18 August 1999. The Japanese competes on the ATP Tour and plays left-handed. Vithoontien stands 185 cm (6 ft 1 in) tall.
This page tracks Leo Vithoontien's upcoming schedule, latest results, recent form and surface record, with each match linking through to a detailed head-to-head and pre-match analysis. Scores update live as matches are played.
Rankings
Trends
Vithoontien has lost 3 in a row
3Vithoontien has won 12 of the last 29 first sets
41%Vithoontien has won 3 of 6 deciding sets
50%Vithoontien has won 3 of the last 10 matches
30%Ranking Projection
Trajectory from our weekly snapshots. Defending— points dropping in the next ~12 weeks (last year's results at the same events). Win … — points gained by winning the round they're currently in. Expected — most likely landing rank from our draw model (Elo over the bracket). ATP points table.
Career highs
Ranking trajectory from our weekly snapshots (last ~12 months); peak rating and longest tour-level win streak from our match records. Umpiry rank is the player’s position by our rating — the arrow shows how many spots that is above (▲) or below (▼) their official ranking.
2026 season form
5–9W–L36%
- Last 60 days
- 0–2
Recent surface record
Career record
11–19W–L
Career surface record
Recent results
Exhibitions & team events
Shown for completeness — not counted in form, surface, or career stats. 12 matches (exhibitions, Davis / Laver / United Cup).
More Japan players
Explore the rankings
Frequently asked questions
How tall is Leo Vithoontien?
Leo Vithoontien is 185 cm (6 ft 1 in) tall.
When was Leo Vithoontien born?
Leo Vithoontien was born on 18 August 1999 (27 years old).
Where is Leo Vithoontien from?
Leo Vithoontien is from Japan.
Is Leo Vithoontien right or left-handed?
Leo Vithoontien plays left-handed.