ATP tennis predict — Federico Zeballos vs Samuel Heredia

Challenger Clay Santa Cruz De La Sierra challenger · qualification - 1. round 18:00

Predicted probability

Federico Zeballos

Bolivia

10.96%

Samuel Heredia

Colombia

89.04%

Average Odds

1.03 / 1.03

Market probability

50.00% / 50.00%

Why This Prediction?

Samuel Heredia is the favorite because he has a higher Elo rating (1442 vs 1325), a higher Elo rating on clay courts (1479 vs 1340) and fewer double faults per game (0.20 vs 0.20).

Player Comparison

1325.1 Elo 1442.1

1339.6 Elo (surface) 1478.7

41 Wins (Challenger) 14

28 Wins (surface) 12

5 Last 15 form 7

0 Head-to-head wins 0

0.967 Dominance ratio 0.923

1183 Rank 634

38.4 Age 20.3

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.

Federico Zeballos

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) 1W–0L · 100.0%

Heavy underdog (odds above 4.00) 1W–4L · 20.0%

6 matches with market odds since 2026-06-29.

Samuel Heredia

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

Favorite (odds 1.30-1.80) 2W–1L · 66.7%

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

Underdog (odds 2.20-4.00) 1W–3L · 25.0%

Heavy underdog (odds above 4.00) 1W–2L · 33.3%

11 matches with market odds since 2026-06-07.

Serve & Return

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

Federico Zeballos Samuel Heredia

1st Serve In %

57.5%

—

1st Serve Points Won %

69.3%

—

2nd Serve Points Won %

53.2%

—

Return Points Won vs 1st Serve %

35.0%

—

Return Points Won vs 2nd Serve %

43.1%

—

Aces per Service Game

0.38

—

Double Faults per Service Game

0.41

—

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

1st Serve In %

57.7%

64.3%

1st Serve Points Won %

73.6%

74.0%

2nd Serve Points Won %

47.7%

51.8%

Return Points Won vs 1st Serve %

30.8%

26.4%

Return Points Won vs 2nd Serve %

47.8%

38.8%

Aces per Service Game

0.48

0.43

Double Faults per Service Game

0.40

0.43

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.

Federico Zeballos Samuel Heredia

Break Points Saved %

65.2%

—

Break Points Converted %

55.6%

—

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

Break Points Saved %

65.7%

64.3%

Break Points Converted %

34.5%

30.8%

Based on each player's last 10 Challenger matches.

Head-to-Head

Federico Zeballos and Samuel Heredia have never played each other.

Federico Zeballos vs Samuel Heredia — Prediction