ATP tennis predict — Chun Hsin Tseng vs Fajing Sun

Challenger Hard Zhangjiagang challenger · QF 07:05

Predicted probability

Chun Hsin Tseng

Chinese Taipei

65.85%

Fajing Sun

China

34.15%

Average Odds

1.45 / 2.64

Market probability

64.55% / 35.45%

Why This Prediction?

Chun Hsin Tseng is the favorite because he has a higher Elo rating (1673 vs 1415).

Player Comparison

1673.1 Elo 1415.0

1536.2 Elo (surface) 1573.5

190 Wins (Challenger) 81

59 Wins (surface) 80

10 Last 15 form 6

0 Head-to-head wins 0

1.242 Dominance ratio 1.277

221 Rank 323

25.1 Age 29.9

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.

Chun Hsin Tseng

Heavy favorite (odds below 1.30) 3W–2L · 60.0%

Favorite (odds 1.30-1.80) 9W–3L · 75.0%

Even match (odds 1.80-2.20) 1W–1L · 50.0%

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

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

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

Fajing Sun

Heavy favorite (odds below 1.30) 3W–1L · 75.0%

Favorite (odds 1.30-1.80) 3W–1L · 75.0%

Even match (odds 1.80-2.20) 0W–5L · 0.0%

Underdog (odds 2.20-4.00) 3W–3L · 50.0%

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

20 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.

Chun Hsin Tseng Fajing Sun

1st Serve In %

62.1%

56.1%

1st Serve Points Won %

65.3%

60.4%

2nd Serve Points Won %

47.3%

48.3%

Return Points Won vs 1st Serve %

23.5%

21.4%

Return Points Won vs 2nd Serve %

51.1%

43.8%

Aces per Service Game

0.22

0.39

Double Faults per Service Game

0.32

0.31

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

1st Serve In %

60.2%

65.2%

1st Serve Points Won %

73.5%

67.5%

2nd Serve Points Won %

55.1%

58.3%

Return Points Won vs 1st Serve %

33.0%

26.9%

Return Points Won vs 2nd Serve %

55.1%

48.3%

Aces per Service Game

0.29

0.43

Double Faults per Service Game

0.08

0.14

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.

Chun Hsin Tseng Fajing Sun

Break Points Saved %

50.0%

53.6%

Break Points Converted %

27.8%

32.3%

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

Break Points Saved %

59.6%

63.5%

Break Points Converted %

39.0%

42.0%

Based on each player's last 10 Challenger matches.

Head-to-Head

Chun Hsin Tseng 0 – 0 Fajing Sun

Hard Zhangjiagang challenger · 2026-09-04

QF

Chun Hsin Tseng #221

Fajing Sun #323

6-3 6-3

3 Aces 2

0 Double Faults 0

56 Service Points 48

30 First Serve In 29

26 First Serve Won 15

14 Second Serve Won 12

3 Break Points Saved 1

4 Break Points Faced 5

- Winners -

- Unforced Errors -

1.4 Average Odds 2.6

Chun Hsin Tseng vs Fajing Sun — Prediction