Mariella Thamm

GermanyAge, ranking and results

Mariella Thamm is a right-handed tennis player from Germany who reached a WTA Tour ranking of No. 533 on September 15, 2025.

Updated Oct 16, 2026, 1:59 PM ET

2026 record0-0 Titles0 Grand Slam titles0 Career highNo. 533Sep 15, 2025 Agatha's recordNone yetno graded calls on her yet

About Mariella Thamm

Born on August 21, 2009, in Monchengladbach, Germany, Mariella Thamm plays right-handed on the WTA Tour. She reached a career-high WTA Tour ranking of No. 533 on September 15, 2025.

Agatha Research DeskUpdated Oct 16, 2026

Match history

Every WTA Tour, Grand Slam and Olympic main-draw match in our records, newest first. A walkover is listed but never counted in a record.

2026: 0-1

Date	Tournament	Round	Opponent	Result	Score	Surface
Jun 20	Bad Homburg Open powered by Solarwatt	Qualifying 1st Round	Renata Zarazua	L	3-6, 6-7(4)	Grass

2025: 0-2

Date	Tournament	Round	Opponent	Result	Score	Surface
Oct 6	Vanda Pharmaceuticals Mallorca Women's Championships	Round 1	Mayar Sherif	L	0-6, 0-6	Grass
Apr 12	Porsche Tennis Grand Prix	Qualifying 1st Round	Erika Andreeva	L	3-6, 4-6	Clay

How she is doing nowThrough Jun 20

2026 record0-0

2026 titles0none yet this season

Last 30-3LLLNewest first. Three losses in a row.

Jun 20vs Renata ZarazuaJun 20 - Bad Homburg Open powered by Solarwatt, Qualifying 1st RoundL3-6, 6-7(4)
Oct 6vs Mayar SherifOct 6 - Vanda Pharmaceuticals Mallorca Women's Championships, Round 1L0-6, 0-6
Apr 12vs Erika AndreevaApr 12 - Porsche Tennis Grand Prix, Qualifying 1st RoundL3-6, 4-6

Sources and updates

Results and schedules come from Agatha's own records of the WTA Tour.

Updated Oct 16, 2026, 1:59 PM ET. Results and form refresh after every match; biography facts are checked weekly.