ATP tennis predict — Adolfo Daniel Vallejo vs Juncheng Shang

ATP Hard Montreal · 1. round

Predicted probability

Adolfo Daniel Vallejo

Paraguay

36.67%

Juncheng Shang

China

63.33%

Average Odds

2.15 / 1.70

Market probability

44.16% / 55.84%

Why This Prediction?

Juncheng Shang is the favorite because he has a higher Elo rating on hard courts (1678 vs 1490), more wins on hard courts (52 vs 3) and a stronger serve (64.7% vs 62.8% of service points won).

Player Comparison

1742.8 Elo 1690.6

1489.8 Elo (surface) 1678.3

17 Wins 65

3 Wins (surface) 52

8 Last 15 form 6

0 Head-to-head wins 0

1.037 Dominance ratio 0.837

65 Rank 270

22.3 Age 21.5

right Hand left

Performance vs. the Odds

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

Adolfo Daniel Vallejo

Heavy favorite (odds below 1.30) 2W–1L · 66.7%

Favorite (odds 1.30-1.80) 2W–4L · 33.3%

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

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

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

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

Juncheng Shang

Heavy favorite (odds below 1.30) 0W–0L · 0.0%

Favorite (odds 1.30-1.80) 1W–3L · 25.0%

Even match (odds 1.80-2.20) 0W–1L · 0.0%

Underdog (odds 2.20-4.00) 1W–0L · 100.0%

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

6 matches with market odds since 2026-07-27.

Serve & Return

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

Adolfo Daniel Vallejo Juncheng Shang

1st Serve In %

60.6%

59.1%

1st Serve Points Won %

73.0%

66.1%

2nd Serve Points Won %

49.1%

54.3%

Return Points Won vs 1st Serve %

29.3%

25.0%

Return Points Won vs 2nd Serve %

55.6%

47.3%

Aces per Service Game

0.30

0.37

Double Faults per Service Game

0.31

0.23

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

1st Serve In %

62.9%

67.1%

1st Serve Points Won %

65.3%

68.5%

2nd Serve Points Won %

49.8%

49.0%

Return Points Won vs 1st Serve %

35.5%

30.4%

Return Points Won vs 2nd Serve %

54.4%

58.3%

Aces per Service Game

0.18

0.23

Double Faults per Service Game

0.27

0.10

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.

Adolfo Daniel Vallejo Juncheng Shang

Break Points Saved %

64.6%

64.2%

Break Points Converted %

48.3%

51.2%

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

Break Points Saved %

54.1%

59.4%

Break Points Converted %

50.8%

45.6%

Based on each player's last 10 Challenger matches.

Head-to-Head

Adolfo Daniel Vallejo 0 – 0 Juncheng Shang

Hard Montreal · 2026-08-02

1. round

Juncheng Shang #270

Adolfo Daniel Vallejo #65

6-3 6-3

4 Aces 1

5 Double Faults 2

73 Service Points 42

35 First Serve In 27

23 First Serve Won 22

16 Second Serve Won 11

3 Break Points Saved 0

7 Break Points Faced 1

15 Winners 8

38 Unforced Errors 24

1.7 Average Odds 2.1

Adolfo Daniel Vallejo vs Juncheng Shang — Prediction