ATP tennis predict — Zsombor Piros vs Stefano Napolitano

Challenger Clay Zug challenger · 1. round

Predicted probability

Zsombor Piros

Hungary

77.20%

Stefano Napolitano

Italy

22.80%

Average Odds

1.29 / 3.45

Market probability

72.78% / 27.22%

Why This Prediction?

Zsombor Piros is the favorite because he has a higher Elo rating (1815 vs 1638), a higher Elo rating on clay courts (1844 vs 1630) and a stronger serve (62.3% vs 57.7% of service points won).

Player Comparison

1815.0 Elo 1637.9

1844.1 Elo (surface) 1630.3

215 Wins (Challenger) 198

142 Wins (surface) 113

12 Last 15 form 10

0 Head-to-head wins 1

0.825 Dominance ratio 0.926

119 Rank 229

26.8 Age 31.3

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.

Zsombor Piros

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

Favorite (odds 1.30-1.80) 13W–4L · 76.5%

Even match (odds 1.80-2.20) 1W–0L · 100.0%

Underdog (odds 2.20-4.00) 1W–3L · 25.0%

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

26 matches with market odds since 2026-06-02.

Stefano Napolitano

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

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

Even match (odds 1.80-2.20) 1W–3L · 25.0%

Underdog (odds 2.20-4.00) 1W–4L · 20.0%

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

17 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.

Zsombor Piros Stefano Napolitano

1st Serve In %

54.2%

58.8%

1st Serve Points Won %

70.4%

65.9%

2nd Serve Points Won %

48.8%

Return Points Won vs 1st Serve %

27.6%

30.0%

Return Points Won vs 2nd Serve %

54.3%

49.5%

Aces per Service Game

0.47

0.43

Double Faults per Service Game

0.36

0.21

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

1st Serve In %

62.6%

55.9%

1st Serve Points Won %

69.1%

71.4%

2nd Serve Points Won %

55.2%

50.5%

Return Points Won vs 1st Serve %

31.8%

33.4%

Return Points Won vs 2nd Serve %

51.5%

47.0%

Aces per Service Game

0.38

0.48

Double Faults per Service Game

0.17

0.28

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.

Zsombor Piros Stefano Napolitano

Break Points Saved %

70.4%

60.3%

Break Points Converted %

40.0%

37.3%

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

Break Points Saved %

68.1%

58.6%

Break Points Converted %

40.0%

34.9%

Based on each player's last 10 Challenger matches.

Head-to-Head

Zsombor Piros 0 – 1 Stefano Napolitano

Clay Zug challenger · 2026-07-20

1. round

Zsombor Piros #119

Stefano Napolitano #229

6-1 3-2

4 Aces 5

0 Double Faults 2

30 Service Points 33

19 First Serve In 18

17 First Serve Won 11

7 Second Serve Won 6

0 Break Points Saved 3

0 Break Points Faced 6

- Winners -

- Unforced Errors -

1.3 Average Odds 3.5

Grass Wimbledon · 2024-07-01

Q1

Stefano Napolitano #129

Zsombor Piros #181

1-6 6-2 7-6(8)

10 Aces 6

3 Double Faults 1

79 Service Points 80

51 First Serve In 58

36 First Serve Won 37

14 Second Serve Won 13

2 Break Points Saved 0

6 Break Points Faced 4

- Winners -

- Unforced Errors -

- Average Odds -

Zsombor Piros vs Stefano Napolitano — Prediction