ATP tennis predict — Jan Kumstat vs Frederico Ferreira Silva

Challenger Clay Liberec challenger · QF

Predicted probability

Jan Kumstat

Czech Republic

74.52%

Frederico Ferreira Silva

Portugal

25.48%

Average Odds

1.57 / 2.29

Market probability

59.33% / 40.67%

Why This Prediction?

Jan Kumstat is the favorite because he has a higher Elo rating (1716 vs 1561), a higher Elo rating on clay courts (1745 vs 1574) and a lighter recent match load (45 vs 50 games played recently).

Player Comparison

1716.1 Elo 1561.2

1745.3 Elo (surface) 1574.4

15 Wins (Challenger) 197

12 Wins (surface) 96

11 Last 15 form 7

0 Head-to-head wins 0

0.980 Dominance ratio 0.899

508 Rank 235

19.6 Age 31.4

right Hand left

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.

Frederico Ferreira Silva

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

Favorite (odds 1.30-1.80) 1W–3L · 25.0%

Even match (odds 1.80-2.20) 1W–1L · 50.0%

Underdog (odds 2.20-4.00) 2W–5L · 28.6%

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

14 matches with market odds since 2026-05-25.

Serve & Return

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

Jan Kumstat Frederico Ferreira Silva

1st Serve In %

—

60.4%

1st Serve Points Won %

—

67.2%

2nd Serve Points Won %

—

53.7%

Return Points Won vs 1st Serve %

—

32.5%

Return Points Won vs 2nd Serve %

—

44.5%

Aces per Service Game

—

0.39

Double Faults per Service Game

—

0.22

Based on each player's last 10 ATP/Grand Slam matches.

1st Serve In %

56.9%

59.0%

1st Serve Points Won %

70.6%

69.2%

2nd Serve Points Won %

52.0%

50.2%

Return Points Won vs 1st Serve %

23.5%

28.7%

Return Points Won vs 2nd Serve %

44.9%

47.9%

Aces per Service Game

0.59

0.23

Double Faults per Service Game

0.37

0.25

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 Frederico Ferreira Silva

Break Points Saved %

—

56.9%

Break Points Converted %

—

47.4%

Based on each player's last 10 ATP/Grand Slam matches.

Break Points Saved %

61.5%

59.1%

Break Points Converted %

28.3%

35.6%

Based on each player's last 10 Challenger matches.

Head-to-Head

Jan Kumstat 0 – 0 Frederico Ferreira Silva

Clay Liberec challenger · 2026-07-31

QF

Jan Kumstat #508

Frederico Ferreira Silva #235

6-4 7-5

9 Aces 2

5 Double Faults 4

65 Service Points 62

38 First Serve In 34

31 First Serve Won 24

15 Second Serve Won 16

4 Break Points Saved 5

4 Break Points Faced 7

- Winners -

- Unforced Errors -

1.6 Average Odds 2.3

Jan Kumstat vs Frederico Ferreira Silva — Prediction