ATP tennis predict — J J Wolf vs Zhizhen Zhang

Challenger Hard Vancouver challenger · 1. round

Predicted probability

J J Wolf

USA

63.67%

Zhizhen Zhang

China

36.33%

Average Odds

1.84 / 1.88

Market probability

50.54% / 49.46%

Why This Prediction?

J J Wolf is the favorite because he has a higher Elo rating on hard courts (1726 vs 1525), a higher Elo rating (1672 vs 1656) and a stronger return game (39.5% vs 33.7% of return points won).

Player Comparison

1671.8 Elo 1656.1

1726.0 Elo (surface) 1524.8

105 Wins (Challenger) 115

95 Wins (surface) 50

9 Last 15 form 10

0 Head-to-head wins 2

1.043 Dominance ratio 1.079

563 Rank 156

27.6 Age 29.8

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.

J J Wolf

Heavy favorite (odds below 1.30) 4W–0L · 100.0%

Favorite (odds 1.30-1.80) 5W–5L · 50.0%

Even match (odds 1.80-2.20) 3W–0L · 100.0%

Underdog (odds 2.20-4.00) 1W–2L · 33.3%

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

20 matches with market odds since 2026-06-30.

Zhizhen Zhang

Heavy favorite (odds below 1.30) 1W–1L · 50.0%

Favorite (odds 1.30-1.80) 2W–2L · 50.0%

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

Underdog (odds 2.20-4.00) 1W–2L · 33.3%

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

10 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.

J J Wolf Zhizhen Zhang

1st Serve In %

54.1%

64.7%

1st Serve Points Won %

71.5%

72.8%

2nd Serve Points Won %

50.6%

46.4%

Return Points Won vs 1st Serve %

27.2%

29.0%

Return Points Won vs 2nd Serve %

53.0%

42.2%

Aces per Service Game

0.52

0.62

Double Faults per Service Game

0.28

0.16

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

1st Serve In %

59.3%

61.0%

1st Serve Points Won %

72.8%

75.2%

2nd Serve Points Won %

51.0%

53.7%

Return Points Won vs 1st Serve %

22.6%

23.8%

Return Points Won vs 2nd Serve %

50.5%

50.8%

Aces per Service Game

0.55

0.92

Double Faults per Service Game

0.19

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.

J J Wolf Zhizhen Zhang

Break Points Saved %

53.3%

59.1%

Break Points Converted %

36.8%

52.6%

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

Break Points Saved %

55.7%

71.4%

Break Points Converted %

32.3%

31.8%

Based on each player's last 10 Challenger matches.

Head-to-Head

J J Wolf 0 – 2 Zhizhen Zhang

Hard Vancouver challenger · 2026-07-29

1. round

J J Wolf #563

Zhizhen Zhang #156

7-6 3-6 6-4

14 Aces 12

1 Double Faults 8

85 Service Points 93

49 First Serve In 41

39 First Serve Won 33

20 Second Serve Won 26

3 Break Points Saved 0

5 Break Points Faced 2

- Winners -

- Unforced Errors -

1.8 Average Odds 1.9

Hard Us Open · 2023-08-28

R128

Zhizhen Zhang #67

J J Wolf #45

7-5 7-5 6-7(5) 4-6 6-3

15 Aces 16

7 Double Faults 7

195 Service Points 167

116 First Serve In 103

83 First Serve Won 72

35 Second Serve Won 31

14 Break Points Saved 15

21 Break Points Faced 24

- Winners -

- Unforced Errors -

- Average Odds -

Clay Tallahassee CH · 2022-04-18

QF

Zhizhen Zhang #296

J J Wolf #145

6-3 3-6 7-6(2)

7 Aces 7

3 Double Faults 4

101 Service Points 90

51 First Serve In 55

37 First Serve Won 37

29 Second Serve Won 19

8 Break Points Saved 5

11 Break Points Faced 8

- Winners -

- Unforced Errors -

- Average Odds -

J J Wolf vs Zhizhen Zhang — Prediction

Why This Prediction?

Player Comparison

Performance vs. the Odds

Serve & Return

Break Point Performance

Head-to-Head

J J Wolf — Last 10

Zhizhen Zhang — Last 10