ATP tennis predict — Vitaliy Sachko vs Daniel Siniakov

Challenger Clay Prague 2 challenger · 1. round 13:40

Predicted probability

Vitaliy Sachko

Ukraine

81.13%

Daniel Siniakov

Czech Republic

18.87%

Average Odds

1.30 / 3.32

Market probability

71.86% / 28.14%

Why This Prediction?

Vitaliy Sachko is the favorite because he has a higher Elo rating (1648 vs 1376), a higher Elo rating on clay courts (1664 vs 1397) and more wins on clay courts (109 vs 7).

Player Comparison

1648.3 Elo 1376.4

1664.0 Elo (surface) 1397.1

171 Wins (Challenger) 7

109 Wins (surface) 7

8 Last 15 form 5

0 Head-to-head wins 0

1.033 Dominance ratio 1.038

191 Rank 467

29.1 Age 23.6

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.

Vitaliy Sachko

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

Favorite (odds 1.30-1.80) 8W–1L · 88.9%

Even match (odds 1.80-2.20) 1W–3L · 25.0%

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

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

20 matches with market odds since 2026-06-02.

Daniel Siniakov

Heavy favorite (odds below 1.30) 1W–2L · 33.3%

Favorite (odds 1.30-1.80) 1W–2L · 33.3%

Even match (odds 1.80-2.20) 2W–0L · 100.0%

Underdog (odds 2.20-4.00) 0W–3L · 0.0%

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

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

Serve & Return

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

Vitaliy Sachko Daniel Siniakov

1st Serve In %

62.8%

—

1st Serve Points Won %

66.4%

—

2nd Serve Points Won %

43.3%

—

Return Points Won vs 1st Serve %

32.8%

—

Return Points Won vs 2nd Serve %

49.6%

—

Aces per Service Game

0.45

—

Double Faults per Service Game

0.23

—

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

1st Serve In %

63.6%

65.1%

1st Serve Points Won %

61.0%

67.9%

2nd Serve Points Won %

53.3%

50.2%

Return Points Won vs 1st Serve %

31.1%

34.3%

Return Points Won vs 2nd Serve %

48.3%

50.8%

Aces per Service Game

0.31

0.26

Double Faults per Service Game

0.27

0.26

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.

Vitaliy Sachko Daniel Siniakov

Break Points Saved %

57.1%

—

Break Points Converted %

43.1%

—

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

Break Points Saved %

67.9%

55.2%

Break Points Converted %

43.8%

41.8%

Based on each player's last 10 Challenger matches.

Head-to-Head

Vitaliy Sachko 0 – 0 Daniel Siniakov

Clay Tulln challenger · 2026-09-08

1. round

Vitaliy Sachko #188

Daniel Siniakov #503

6-4 7-5

2 Aces 3

6 Double Faults 2

79 Service Points 62

53 First Serve In 37

27 First Serve Won 21

12 Second Serve Won 13

9 Break Points Saved 1

15 Break Points Faced 5

- Winners -

- Unforced Errors -

1.4 Average Odds 2.6

Vitaliy Sachko vs Daniel Siniakov — Prediction