ATP tennis predict — Guilherme Valdoleiros vs Robin Bertrand

Challenger Hard Porto challenger · qualification - 1. round 15:00

Predicted probability

Guilherme Valdoleiros

Portugal

21.69%

Robin Bertrand

France

78.31%

Average Odds

12.29 / 1.02

Market probability

7.66% / 92.34%

Why This Prediction?

Robin Bertrand is the favorite because he has a higher Elo rating (1502 vs 1273), a higher Elo rating on hard courts (1546 vs 1500) and more wins on hard courts (47 vs 0).

Player Comparison

1272.9 Elo 1501.9

1500 Elo (surface) 1546.5

0 Wins (Challenger) 48

0 Wins (surface) 47

0 Last 15 form 6

0 Head-to-head wins 0

0.502 Dominance ratio 0.916

- Rank 379

27.2 Age 23.5

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.

Guilherme Valdoleiros

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 2026-08-30.

Robin Bertrand

Heavy favorite (odds below 1.30) 1W–0L · 100.0%

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) 1W–3L · 25.0%

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

9 matches with market odds since 2026-05-26.

Serve & Return

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

Guilherme Valdoleiros Robin Bertrand

1st Serve In %

—

61.8%

1st Serve Points Won %

—

64.0%

2nd Serve Points Won %

—

41.0%

Return Points Won vs 1st Serve %

—

23.2%

Return Points Won vs 2nd Serve %

—

44.7%

Aces per Service Game

—

0.19

Double Faults per Service Game

—

0.57

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

1st Serve In %

68.0%

63.6%

1st Serve Points Won %

46.6%

62.5%

2nd Serve Points Won %

35.6%

49.3%

Return Points Won vs 1st Serve %

20.9%

30.9%

Return Points Won vs 2nd Serve %

46.3%

53.3%

Aces per Service Game

0.15

0.14

Double Faults per Service Game

0.25

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.

Guilherme Valdoleiros Robin Bertrand

Break Points Saved %

—

63.4%

Break Points Converted %

—

33.3%

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

Break Points Saved %

41.7%

52.7%

Break Points Converted %

16.0%

47.0%

Based on each player's last 10 Challenger matches.

Head-to-Head

Guilherme Valdoleiros and Robin Bertrand have never played each other.

Guilherme Valdoleiros vs Robin Bertrand — Prediction