ATP tennis predict — James Trotter vs Guillaume Dalmasso

Challenger Hard Winnipeg challenger · qualification - 1. round

Predicted probability

James Trotter

Japan

48.21%

Guillaume Dalmasso

France

51.79%

Average Odds

1.26 / 3.15

Market probability

71.43% / 28.57%

Why This Prediction?

This is a very close match — there is no significant statistical edge for either player.

Player Comparison

1507.0 Elo 1570.5

1526.1 Elo (surface) 1578.5

92 Wins (Challenger) 15

87 Wins (surface) 14

5 Last 15 form 9

0 Head-to-head wins 0

0.943 Dominance ratio 1.093

432 Rank 568

27.0 Age 23.8

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.

James Trotter

Heavy favorite (odds below 1.30) 3W–1L · 75.0%

Favorite (odds 1.30-1.80) 2W–2L · 50.0%

Even match (odds 1.80-2.20) 2W–1L · 66.7%

Underdog (odds 2.20-4.00) 2W–2L · 50.0%

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

15 matches with market odds since 2026-07-15.

Guillaume Dalmasso

Heavy favorite (odds below 1.30) 2W–0L · 100.0%

Favorite (odds 1.30-1.80) 2W–0L · 100.0%

Even match (odds 1.80-2.20) 2W–1L · 66.7%

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

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

16 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.

James Trotter Guillaume Dalmasso

1st Serve In %

60.4%

—

1st Serve Points Won %

76.0%

—

2nd Serve Points Won %

52.4%

—

Return Points Won vs 1st Serve %

30.0%

—

Return Points Won vs 2nd Serve %

41.6%

—

Aces per Service Game

0.65

—

Double Faults per Service Game

0.23

—

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

1st Serve In %

59.6%

62.2%

1st Serve Points Won %

67.8%

71.8%

2nd Serve Points Won %

51.8%

43.1%

Return Points Won vs 1st Serve %

28.6%

23.9%

Return Points Won vs 2nd Serve %

42.4%

49.8%

Aces per Service Game

0.59

0.41

Double Faults per Service Game

0.23

0.60

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.

James Trotter Guillaume Dalmasso

Break Points Saved %

52.4%

—

Break Points Converted %

26.6%

—

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

Break Points Saved %

50.0%

54.1%

Break Points Converted %

40.0%

34.8%

Based on each player's last 10 Challenger matches.

Head-to-Head

James Trotter 0 – 0 Guillaume Dalmasso

Hard Winnipeg challenger · 2026-07-20

qualification - 1. round

James Trotter #457

Guillaume Dalmasso #554

6-3 6-4

1 Aces 2

3 Double Faults 5

59 Service Points 58

37 First Serve In 37

29 First Serve Won 25

14 Second Serve Won 11

1 Break Points Saved 2

1 Break Points Faced 4

- Winners -

- Unforced Errors -

1.3 Average Odds 3.1

James Trotter vs Guillaume Dalmasso — Prediction