World No. 581 Marcel Zielinski is 25 and plays right-handed. On clay the record reads 34-23, well ahead of 0-1 on the other surfaces. Twelve-month serve numbers: 60.6% of first serves in, 64.9% of those points won. A real threat on return: 156.5% of break points are converted. 232.2% of service games held: breaking this serve is hard.

A difficult stretch: 4 of the last 5 matches lost. No match in our data has lasted longer than the 31-game duel with D. Salazar. We have forecast this player's matches most often at ITF Men M15 Bielsko Biala: 5 of them. Open any of these matches for BananaCore's pick, a predicted scoreline and the serve and return figures behind them. Latest tournament on record: ITF Men M25 Pardubice.

Serving and returning

1st serves in

54.6%

Won on 1st serve

69.2%

Won on 2nd serve

33.3%

Aces per match

1.5

Double faults per match

2.5

Break points saved

66.7%

Return games won

330.8%

Points won on return

44.4%

Service points won

326.9%

All points won

88.3%

Career Past 12 months

Titles

Finals

Semi-final runs

Tournaments played

Results by tournament 2 titles

ITF M15 Bielsko Biala Men ITF Winner

UTR PTT Cologne Men 02 UTR Winner

UTR PTT Cologne Men 01 UTR Final

ITF M15 Messina Men ITF Semi-Finals ITF M15 Mistelbach Men ITF Semi-Finals ITF M15 Saarlouis Men ITF Semi-Finals ITF M15 San Gregorio di Catania Men ITF Semi-Finals ITF M15 Trier Men ITF Semi-Finals ITF M25 Tarragona Men ITF Semi-Finals ITF M25 Troisdorf Men ITF Semi-Finals

UTR Ahaus M01 UTR Semi-Finals

Sorted by best result, not by date

Year by year

2026

2026in progress

1–2

W–L

Matches

3–0

Tiebreaks

0.7

Aces per match

Double faults per match

1st serves in 53.9%

Won on 1st serve 64.4%

Won on 2nd serve 41.6%

Break points converted 30.4%

Break points saved 55.9%

2024

0–3

W–L

Matches

—

Tiebreaks

0.7

Aces per match

1.7

Double faults per match

1st serves in 61.7%

Won on 1st serve 58%

Won on 2nd serve 45.2%

Break points converted 27.3%

Break points saved 50%

Official singles figures for this season, as published by the tour. Don't expect the wins and losses to match our Predictions tab: that record covers only the matches we forecast. A dash marks a figure with no data yet.

Common questions

How often do our calls on Marcel Zielinski come true?

35 of our 53 graded predictions on Marcel Zielinski's matches were right, 66%. The latest 20 are listed below, each pick next to its result.

Which opponent has Marcel Zielinski met most in our records?

Stefan Popovic, 2 times, with Marcel Zielinski at 1-1 in those matches.