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Adolfo Daniel Vallejo vs Taro Daniel — Prediction

ATP Hard Tokyo · qualification - round of 16 10:00

Predicted probability

Adolfo Daniel Vallejo

Paraguay

59.35%

Taro Daniel

Japan

40.65%

Average Odds

2.02  /  1.74

Market probability

46.28%  /  53.72%

Why This Prediction?

Adolfo Daniel Vallejo is the favorite because he has a higher Elo rating (1848 vs 1798), a stronger return game (42.1% vs 36.1% of return points won) and a stronger serve (62.6% vs 57.0% of service points won).

Player Comparison

1847.9 Elo 1798.4
1616.1 Elo (surface) 1683.9
21 Wins 222
7 Wins (surface) 132
7 Last 15 form 9
0 Head-to-head wins 0
1.026 Dominance ratio 0.827
56 Rank 172
22.4 Age 33.7
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.

Adolfo Daniel Vallejo

Heavy favorite (odds below 1.30) 2W–1L · 66.7%
Favorite (odds 1.30-1.80) 3W–4L · 42.9%
Even match (odds 1.80-2.20) 2W–1L · 66.7%
Underdog (odds 2.20-4.00) 2W–4L · 33.3%
Heavy underdog (odds above 4.00) 0W–1L · 0.0%

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

Taro Daniel

Heavy favorite (odds below 1.30) 5W–1L · 83.3%
Favorite (odds 1.30-1.80) 10W–2L · 83.3%
Even match (odds 1.80-2.20) 4W–2L · 66.7%
Underdog (odds 2.20-4.00) 5W–3L · 62.5%
Heavy underdog (odds above 4.00) 0W–0L · 0.0%

32 matches with market odds since 2026-05-25.

Serve & Return

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

Adolfo Daniel Vallejo Taro Daniel

1st Serve In %

59.3%
62.5%

1st Serve Points Won %

72.0%
62.8%

2nd Serve Points Won %

49.8%
44.1%

Return Points Won vs 1st Serve %

29.3%
32.1%

Return Points Won vs 2nd Serve %

56.3%
53.0%

Aces per Service Game

0.25
0.42

Double Faults per Service Game

0.32
0.17

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

1st Serve In %

62.9%
62.1%

1st Serve Points Won %

65.3%
63.0%

2nd Serve Points Won %

49.8%
48.5%

Return Points Won vs 1st Serve %

35.5%
29.8%

Return Points Won vs 2nd Serve %

54.4%
45.9%

Aces per Service Game

0.18
0.48

Double Faults per Service Game

0.27
0.21

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 Taro Daniel

Break Points Saved %

66.2%
58.0%

Break Points Converted %

41.5%
36.4%

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

Break Points Saved %

54.1%
59.0%

Break Points Converted %

50.8%
54.8%

Based on each player's last 10 Challenger matches.

Head-to-Head

Adolfo Daniel Vallejo and Taro Daniel have never played each other.

Adolfo Daniel Vallejo — Last 10

L W L L W L W W L L

Taro Daniel — Last 10

L W W W L W L W L W