ATP tennis predict — Jan Kumstat vs Tom Zeuch

Challenger Hard Hamburg challenger · qualification - round of 16 10:30

Predicted probability

Jan Kumstat

Czech Republic

85.69%

Tom Zeuch

Germany

14.31%

Average Odds

1.05 / 8.84

Market probability

89.38% / 10.62%

Why This Prediction?

Jan Kumstat is the favorite because he has a higher Elo rating (1795 vs 1471), a stronger serve (69.2% vs 55.2% of service points won) and more career match wins (19 vs 1).

Player Comparison

1795.2 Elo 1470.6

1531.8 Elo (surface) 1507.9

19 Wins (Challenger) 1

4 Wins (surface) 1

12 Last 15 form 1

0 Head-to-head wins 0

1.265 Dominance ratio 0.713

336 Rank 900

19.6 Age 26.5

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.

Jan Kumstat

Heavy favorite (odds below 1.30) 3W–1L · 75.0%

Favorite (odds 1.30-1.80) 15W–1L · 93.8%

Even match (odds 1.80-2.20) 4W–1L · 80.0%

Underdog (odds 2.20-4.00) 2W–1L · 66.7%

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

28 matches with market odds since 2026-05-31.

Tom Zeuch

Heavy favorite (odds below 1.30) 0W–0L · 0.0%

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

Even match (odds 1.80-2.20) 1W–0L · 100.0%

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

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

2 matches with market odds since 2026-08-09.

Serve & Return

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

Jan Kumstat Tom Zeuch

Not enough ATP/Grand Slam match history yet.

1st Serve In %

56.9%

66.3%

1st Serve Points Won %

70.6%

62.8%

2nd Serve Points Won %

52.0%

50.5%

Return Points Won vs 1st Serve %

23.5%

23.0%

Return Points Won vs 2nd Serve %

44.9%

42.6%

Aces per Service Game

0.59

0.29

Double Faults per Service Game

0.37

0.31

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.

Jan Kumstat Tom Zeuch

Not enough ATP/Grand Slam match history yet.

Break Points Saved %

61.5%

62.1%

Break Points Converted %

28.3%

30.8%

Based on each player's last 10 Challenger matches.

Head-to-Head

Jan Kumstat 0 – 0 Tom Zeuch

Hard Hamburg challenger · 2026-08-10

qualification - round of 16

Jan Kumstat #336

Tom Zeuch #900

3-6 7-6 6-3

10 Aces 4

2 Double Faults 6

91 Service Points 113

50 First Serve In 74

41 First Serve Won 45

23 Second Serve Won 25

4 Break Points Saved 6

5 Break Points Faced 8

- Winners -

- Unforced Errors -

1.1 Average Odds 8.8

Jan Kumstat vs Tom Zeuch — Prediction