ATP tennis predict — Daniel Siniakov vs Vitaliy Sachko

Challenger Clay Tulln challenger · 1. round 10:00

Predicted probability

Daniel Siniakov

Czech Republic

24.75%

Vitaliy Sachko

Ukraine

75.25%

Average Odds

2.63 / 1.45

Market probability

35.54% / 64.46%

Why This Prediction?

Vitaliy Sachko is the favorite because he has a higher Elo rating (1647 vs 1413), a higher Elo rating on clay courts (1664 vs 1434) and more wins on clay courts (109 vs 9).

Player Comparison

1413.0 Elo 1646.6

1433.8 Elo (surface) 1664.0

9 Wins (Challenger) 171

9 Wins (surface) 109

6 Last 15 form 8

0 Head-to-head wins 0

1.075 Dominance ratio 1.033

503 Rank 188

23.6 Age 29.2

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.

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.

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.

Serve & Return

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

Daniel Siniakov Vitaliy Sachko

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 %

65.1%

63.6%

1st Serve Points Won %

67.9%

61.0%

2nd Serve Points Won %

50.2%

53.3%

Return Points Won vs 1st Serve %

34.3%

31.1%

Return Points Won vs 2nd Serve %

50.8%

48.3%

Aces per Service Game

0.26

0.31

Double Faults per Service Game

0.26

0.27

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.

Daniel Siniakov Vitaliy Sachko

Break Points Saved %

—

57.1%

Break Points Converted %

—

43.1%

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

Break Points Saved %

55.2%

67.9%

Break Points Converted %

41.8%

43.8%

Based on each player's last 10 Challenger matches.

Head-to-Head

Daniel Siniakov 0 – 0 Vitaliy Sachko

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

Daniel Siniakov vs Vitaliy Sachko — Prediction