Gustavo Heide vs Daniel Michalski

Poznan · CHALLENGER · Round of 32

BRA

Gustavo Heide

#182ATP

1639ELO

1629Clay ELO

$101kYTD

$543kCAREER

24 yrs · 191 cm · Right-handed

Last 10

LWLLLWWLWW

—

Sets

Monday, 15 June 2026 · 09:00

clay

POL

Daniel Michalski

#296ATP

1424ELO

1373Clay ELO

26 yrs · 180 cm · Right-handed

Last 10

LLWLWLWWWL

Gustavo Heide faces Daniel Michalski in the Poznan round of 32 on clay. Gustavo Heide holds the paper edge — ranked #182, a roughly 260-point clay Elo advantage. Recent clay form is closely matched.

Key context

Fatigue load: Daniel Michalski carries the heavier recent load — 1 three-setter to 0 in the past fortnight.
Surface form: Both 5 of 10 on clay recently — court-specific quality nearly identical despite the ranking gap.

Win Probability

Pre-match · updated 01:20 UTC

Heide G.92%

Michalski D.8%

Toss-up
50–58%

Slight edge
58–67%

Clear favourite
67–80%

Strong favourite
80%+

Strong favourite · Heide G. heavily favoured

Calibrated model · 63% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.

Umpiry Score

Pre-match

Heide G.

6.5

Marginal edgeUmpiry Score

Michalski D.

5.2

Clear underdogUmpiry Score

Form & Matchup

8.2+256 Clay Elo edge

Surface ELO

1.8Clay Elo 1373

7.7Overall Elo 1639

ELO gap

2.3Overall Elo 1424

5.0No prior meetings

H2H

5.0No prior meetings

5.16 of last 10 on clay

Surface form

4.75 of last 10 on clay

0.0

Win streak

0.0Lost last 2

Fatigue & Travel

3-set count

7.01 three-setter in 14 days

Context

5.0Didn't play here last year

Defending pts

5.0Didn't play here last year

The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.