ATP tennis predict — Quinn Vandecasteele vs James Duckworth

ATP Hard Winston Salem · 1. round 20:00

Predicted probability

Quinn Vandecasteele

USA

34.94%

James Duckworth

Australia

65.06%

Average Odds

3.64 / 1.28

Market probability

26.02% / 73.98%

Why This Prediction?

James Duckworth is the favorite because he has a higher Elo rating (1665 vs 1510), a higher Elo rating on hard courts (1693 vs 1532) and a stronger serve (67.8% vs 53.5% of service points won).

Player Comparison

1510.5 Elo 1664.9

1531.8 Elo (surface) 1693.2

2 Wins 169

2 Wins (surface) 113

2 Last 15 form 7

0 Head-to-head wins 1

0.673 Dominance ratio 1.116

483 Rank 86

24.0 Age 34.6

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.

Quinn Vandecasteele

Heavy favorite (odds below 1.30) 1W–1L · 50.0%

Favorite (odds 1.30-1.80) 3W–3L · 50.0%

Even match (odds 1.80-2.20) 4W–3L · 57.1%

Underdog (odds 2.20-4.00) 2W–3L · 40.0%

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

21 matches with market odds since 2026-05-24.

James Duckworth

Heavy favorite (odds below 1.30) 1W–1L · 50.0%

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

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

Underdog (odds 2.20-4.00) 7W–6L · 53.8%

Heavy underdog (odds above 4.00) 0W–2L · 0.0%

19 matches with market odds since 2026-05-24.

Serve & Return

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

Quinn Vandecasteele James Duckworth

1st Serve In %

54.6%

55.7%

1st Serve Points Won %

70.8%

72.5%

2nd Serve Points Won %

42.1%

50.8%

Return Points Won vs 1st Serve %

28.4%

26.8%

Return Points Won vs 2nd Serve %

50.4%

49.5%

Aces per Service Game

0.22

0.42

Double Faults per Service Game

0.84

0.30

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

1st Serve In %

60.7%

52.1%

1st Serve Points Won %

63.6%

77.9%

2nd Serve Points Won %

53.8%

56.9%

Return Points Won vs 1st Serve %

33.7%

27.9%

Return Points Won vs 2nd Serve %

49.5%

50.7%

Aces per Service Game

0.38

0.60

Double Faults per Service Game

0.31

0.29

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.

Quinn Vandecasteele James Duckworth

Break Points Saved %

50.0%

64.4%

Break Points Converted %

40.7%

34.3%

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

Break Points Saved %

58.2%

84.6%

Break Points Converted %

44.6%

42.9%

Based on each player's last 10 Challenger matches.

Head-to-Head

Quinn Vandecasteele 0 – 1 James Duckworth

Hard Winston Salem · 2026-08-24

1. round

James Duckworth #79

Quinn Vandecasteele #456

6-2 6-1

1 Aces 4

3 Double Faults 6

56 Service Points 47

31 First Serve In 24

19 First Serve Won 20

6 Second Serve Won 12

7 Break Points Saved 1

12 Break Points Faced 2

8 Winners 13

37 Unforced Errors 19

1.3 Average Odds 3.6

Hard Cleveland CH · 2024-01-29

QF

James Duckworth #98

Quinn Vandecasteele #636

6-3 7-5

9 Aces 6

1 Double Faults 3

58 Service Points 68

36 First Serve In 35

31 First Serve Won 22

13 Second Serve Won 16

3 Break Points Saved 4

4 Break Points Faced 7

- Winners -

- Unforced Errors -

- Average Odds -

Quinn Vandecasteele vs James Duckworth — Prediction