Mariella Thamm is a professional tennis player from Germany, born 21 August 2009. The German competes on the WTA Tour and plays right-handed. Among WTA players under 18, Thamm is ranked No. 23.
This page tracks Mariella Thamm'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
Thamm has won 19 of the last 30 first sets
63%Thamm has won 72% of matches on clay
18–7Ranking 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). WTA 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
3–3W–L50%
Recent surface record
Career record
24–12W–L
Career surface record
Recent results
Exhibitions & team events
Shown for completeness — not counted in form, surface, or career stats. 3 matches (exhibitions, Davis / Laver / United Cup).
More Germany players
Explore the rankings
Frequently asked questions
When was Mariella Thamm born?
Mariella Thamm was born on 21 August 2009 (16 years old).
Where is Mariella Thamm from?
Mariella Thamm is from Germany.
Is Mariella Thamm right or left-handed?
Mariella Thamm plays right-handed.