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Justin Boulais vs Theo Arribage — Prediction

Challenger Hard Rennes challenger · qualification - 1. round 17:30

Predicted probability

Justin Boulais

Canada

94.80%

Theo Arribage

France

5.20%

Average Odds

1.07  /  6.82

Market probability

86.44%  /  13.56%

Why This Prediction?

Justin Boulais is the favorite because he has a higher Elo rating (1590 vs 1284), a higher Elo rating on hard courts (1576 vs 1314) and fewer double faults per game (0.14 vs 0.33).

Player Comparison

1589.6 Elo 1284.4
1575.5 Elo (surface) 1313.5
46 Wins (Challenger) 2
46 Wins (surface) 2
7 Last 15 form 2
0 Head-to-head wins 0
1.041 Dominance ratio 0.676
403 Rank -
24.9 Age 25.9
left Hand right

Performance vs. the Odds

Career record grouped by how big a favorite the market made each player, based on their average odds.

Justin Boulais

Heavy favorite (odds below 1.30) 2W–2L · 50.0%
Favorite (odds 1.30-1.80) 2W–1L · 66.7%
Even match (odds 1.80-2.20) 2W–1L · 66.7%
Underdog (odds 2.20-4.00) 3W–6L · 33.3%
Heavy underdog (odds above 4.00) 0W–1L · 0.0%

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

Theo Arribage

Heavy favorite (odds below 1.30) 0W–0L · 0.0%
Favorite (odds 1.30-1.80) 0W–0L · 0.0%
Even match (odds 1.80-2.20) 0W–0L · 0.0%
Underdog (odds 2.20-4.00) 0W–0L · 0.0%
Heavy underdog (odds above 4.00) 0W–1L · 0.0%

1 matches with market odds since 2026-09-13.

Serve & Return

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

Justin Boulais Theo Arribage

1st Serve In %

56.4%

1st Serve Points Won %

60.0%

2nd Serve Points Won %

47.1%

Return Points Won vs 1st Serve %

21.9%

Return Points Won vs 2nd Serve %

43.6%

Aces per Service Game

0.33

Double Faults per Service Game

0.56

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

1st Serve In %

60.2%
57.7%

1st Serve Points Won %

70.8%
69.1%

2nd Serve Points Won %

50.3%
40.8%

Return Points Won vs 1st Serve %

34.2%
22.4%

Return Points Won vs 2nd Serve %

51.6%
44.0%

Aces per Service Game

0.26
0.44

Double Faults per Service Game

0.42
0.70

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.

Justin Boulais Theo Arribage

Break Points Saved %

57.7%

Break Points Converted %

16.7%

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

Break Points Saved %

54.4%
40.6%

Break Points Converted %

46.8%
36.1%

Based on each player's last 10 Challenger matches.

Head-to-Head

Justin Boulais 00 Theo Arribage

Hard Rennes challenger · 2026-09-13

qualification - 1. round

Justin Boulais #403

Theo Arribage #-

7-6 6-2
4 Aces 0
3 Double Faults 5
- Service Points -
- First Serve In -
31 First Serve Won 28
12 Second Serve Won 8
4 Break Points Saved 1
9 Break Points Faced 9
- Winners -
- Unforced Errors -
1.1 Average Odds 6.8

Justin Boulais — Last 10

L L W L W L W L L L

Theo Arribage — Last 10

L L L L L L L L W L