ATP tennis predict — Colin Sinclair vs Damir Zhalgasbay

Challenger Hard Astana 4 challenger · qualification - round of 16 10:15

Predicted probability

Colin Sinclair

N. Mariana Isl.

67.34%

Damir Zhalgasbay

Kazakhstan

32.66%

Average Odds

1.84 / 1.89

Market probability

50.67% / 49.33%

Why This Prediction?

Colin Sinclair is the favorite because he has more career match wins (56 vs 1), a stronger serve (71.8% vs 54.0% of service points won) and better recent form (8 wins in his last 15 matches vs 1).

Player Comparison

1449.3 Elo 1481.6

1452.8 Elo (surface) 1537.9

56 Wins (Challenger) 1

51 Wins (surface) 1

8 Last 15 form 1

0 Head-to-head wins 0

1.268 Dominance ratio 0.901

503 Rank -

31.6 Age 18.6

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.

Colin Sinclair

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

Favorite (odds 1.30-1.80) 1W–1L · 50.0%

Even match (odds 1.80-2.20) 2W–2L · 50.0%

Underdog (odds 2.20-4.00) 1W–0L · 100.0%

Heavy underdog (odds above 4.00) 1W–1L · 50.0%

9 matches with market odds since 2026-07-28.

Damir Zhalgasbay

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

Favorite (odds 1.30-1.80) 1W–0L · 100.0%

Even match (odds 1.80-2.20) 0W–1L · 0.0%

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

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

Colin Sinclair Damir Zhalgasbay

1st Serve In %

60.3%

—

1st Serve Points Won %

68.4%

—

2nd Serve Points Won %

51.9%

—

Return Points Won vs 1st Serve %

27.4%

—

Return Points Won vs 2nd Serve %

41.9%

—

Aces per Service Game

0.39

—

Double Faults per Service Game

0.35

—

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

1st Serve In %

60.7%

57.3%

1st Serve Points Won %

78.1%

67.5%

2nd Serve Points Won %

57.6%

48.4%

Return Points Won vs 1st Serve %

27.7%

26.3%

Return Points Won vs 2nd Serve %

45.1%

50.4%

Aces per Service Game

0.73

0.49

Double Faults per Service Game

0.16

0.40

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.

Colin Sinclair Damir Zhalgasbay

Break Points Saved %

14.3%

—

Break Points Converted %

20.0%

—

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

Break Points Saved %

68.1%

50.0%

Break Points Converted %

36.9%

33.3%

Based on each player's last 10 Challenger matches.

Head-to-Head

Colin Sinclair 0 – 0 Damir Zhalgasbay

Hard Astana 4 challenger · 2026-08-10

qualification - round of 16

Colin Sinclair #503

Damir Zhalgasbay #-

6-4 5-7 6-4

18 Aces 11

5 Double Faults 6

96 Service Points 94

55 First Serve In 49

46 First Serve Won 38

22 Second Serve Won 27

5 Break Points Saved 1

6 Break Points Faced 3

- Winners -

- Unforced Errors -

1.8 Average Odds 1.9

Colin Sinclair vs Damir Zhalgasbay — Prediction