ATP tennis predict — Ji Sung Nam vs Luca Castelnuovo

Challenger Hard Shanghai challenger · QF 09:30

Predicted probability

Ji Sung Nam

South Korea

51.05%

Luca Castelnuovo

Switzerland

48.95%

Average Odds

1.96 / 1.77

Market probability

47.45% / 52.55%

Why This Prediction?

This is a very close match — there is no significant statistical edge for either player.

Player Comparison

1530.5 Elo 1484.2

1556.5 Elo (surface) 1496.9

93 Wins (Challenger) 34

87 Wins (surface) 26

7 Last 15 form 6

0 Head-to-head wins 0

0.922 Dominance ratio 1.241

1038 Rank 461

33.1 Age 29.6

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.

Ji Sung Nam

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

Favorite (odds 1.30-1.80) 1W–0L · 100.0%

Even match (odds 1.80-2.20) 2W–2L · 50.0%

Underdog (odds 2.20-4.00) 0W–0L · 0.0%

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

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

Luca Castelnuovo

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

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

Even match (odds 1.80-2.20) 0W–2L · 0.0%

Underdog (odds 2.20-4.00) 2W–8L · 20.0%

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

19 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.

Ji Sung Nam Luca Castelnuovo

1st Serve In %

59.5%

65.3%

1st Serve Points Won %

66.8%

84.4%

2nd Serve Points Won %

48.7%

64.7%

Return Points Won vs 1st Serve %

32.2%

30.8%

Return Points Won vs 2nd Serve %

52.8%

61.9%

Aces per Service Game

0.39

0.67

Double Faults per Service Game

0.32

0.19

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

1st Serve In %

59.4%

68.1%

1st Serve Points Won %

72.1%

80.5%

2nd Serve Points Won %

46.0%

50.9%

Return Points Won vs 1st Serve %

29.5%

33.2%

Return Points Won vs 2nd Serve %

44.8%

46.9%

Aces per Service Game

0.59

0.60

Double Faults per Service Game

0.24

0.22

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.

Ji Sung Nam Luca Castelnuovo

Break Points Saved %

63.0%

92.3%

Break Points Converted %

52.5%

60.0%

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

Break Points Saved %

54.0%

63.2%

Break Points Converted %

42.1%

47.1%

Based on each player's last 10 Challenger matches.

Head-to-Head

Ji Sung Nam 0 – 0 Luca Castelnuovo

Hard Shanghai challenger · 2026-09-11

QF

Luca Castelnuovo #461

Ji Sung Nam #1038

6-4 6-4

3 Aces 17

2 Double Faults 0

- Service Points -

- First Serve In -

25 First Serve Won 34

7 Second Serve Won 8

3 Break Points Saved 3

6 Break Points Faced 4

- Winners -

- Unforced Errors -

1.8 Average Odds 2.0

Ji Sung Nam vs Luca Castelnuovo — Prediction