ATP tennis predict — Kai Wehnelt vs Marcel Zielinski

Challenger Clay Szczecin challenger · qualification - 1. round 10:30

Predicted probability

Kai Wehnelt

Germany

80.08%

Marcel Zielinski

Poland

19.92%

Average Odds

1.56 / 2.28

Market probability

59.38% / 40.62%

Why This Prediction?

Kai Wehnelt is the favorite because he has a higher Elo rating on clay courts (1573 vs 1362), a higher Elo rating (1548 vs 1364) and more career match wins (31 vs 1).

Player Comparison

1547.8 Elo 1364.4

1573.0 Elo (surface) 1361.8

31 Wins (Challenger) 1

21 Wins (surface) 1

9 Last 15 form 1

0 Head-to-head wins 0

0.906 Dominance ratio 0.785

573 Rank 531

30.8 Age 25.9

right Hand right

Performance vs. the Odds

Career record grouped by how big a favorite the market made each player, based on their average odds.

Kai Wehnelt

Heavy favorite (odds below 1.30) 2W–0L · 100.0%

Favorite (odds 1.30-1.80) 7W–1L · 87.5%

Even match (odds 1.80-2.20) 0W–0L · 0.0%

Underdog (odds 2.20-4.00) 2W–4L · 33.3%

Heavy underdog (odds above 4.00) 0W–1L · 0.0%

17 matches with market odds since 2026-06-28.

Marcel Zielinski

Heavy favorite (odds below 1.30) 1W–0L · 100.0%

Favorite (odds 1.30-1.80) 0W–0L · 0.0%

Even match (odds 1.80-2.20) 0W–0L · 0.0%

Underdog (odds 2.20-4.00) 0W–1L · 0.0%

Heavy underdog (odds above 4.00) 0W–1L · 0.0%

3 matches with market odds since 2026-07-19.

Serve & Return

Serve and return win rates from each player's last 10 matches at the selected level.

Kai Wehnelt Marcel Zielinski

Not enough ATP/Grand Slam match history yet.

1st Serve In %

62.2%

56.0%

1st Serve Points Won %

73.2%

59.1%

2nd Serve Points Won %

53.0%

41.1%

Return Points Won vs 1st Serve %

23.6%

33.3%

Return Points Won vs 2nd Serve %

45.9%

53.8%

Aces per Service Game

0.64

0.12

Double Faults per Service Game

0.39

0.28

Based on each player's last 10 Challenger matches.

Break Point Performance

How each player handles the biggest points - break points saved serving, and converted returning - from their last 10 matches at the selected level.

Kai Wehnelt Marcel Zielinski

Not enough ATP/Grand Slam match history yet.

Break Points Saved %

61.5%

56.5%

Break Points Converted %

39.2%

37.9%

Based on each player's last 10 Challenger matches.

Head-to-Head

Kai Wehnelt 0 – 0 Marcel Zielinski

Clay Szczecin challenger · 2026-09-13

qualification - 1. round

Kai Wehnelt #573

Marcel Zielinski #531

6-7 6-2 6-2

19 Aces 1

8 Double Faults 7

- Service Points -

- First Serve In -

47 First Serve Won 40

12 Second Serve Won 23

4 Break Points Saved 14

7 Break Points Faced 21

- Winners -

- Unforced Errors -

1.6 Average Odds 2.3

Kai Wehnelt vs Marcel Zielinski — Prediction