ATP tennis predict — Genaro Alberto Olivieri vs Marcel Zielinski

Challenger Clay Tampere challenger · qualification - round of 16

Predicted probability

Genaro Alberto Olivieri

Argentina

88.13%

Marcel Zielinski

Poland

11.87%

Average Odds

1.15 / 4.81

Market probability

80.70% / 19.30%

Why This Prediction?

Genaro Alberto Olivieri is the favorite because he has a higher Elo rating (1593 vs 1393), a higher Elo rating on clay courts (1608 vs 1402) and more wins on clay courts (143 vs 1).

Player Comparison

1593.4 Elo 1393.1

1607.6 Elo (surface) 1402.0

160 Wins (Challenger) 1

143 Wins (surface) 1

7 Last 15 form 1

0 Head-to-head wins 0

1.174 Dominance ratio 0.811

199 Rank 591

28.0 Age 25.7

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.

Genaro Alberto Olivieri

Heavy favorite (odds below 1.30) 2W–0L · 100.0%

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

Even match (odds 1.80-2.20) 4W–1L · 80.0%

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

Heavy underdog (odds above 4.00) 1W–1L · 50.0%

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

Marcel Zielinski

Heavy favorite (odds below 1.30) 1W–0L · 100.0%

Favorite (odds 1.30-1.80) 0W–0L · 0.0%

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

Underdog (odds 2.20-4.00) 0W–1L · 0.0%

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

3 matches with market odds since 2026-07-19.

Serve & Return

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

Genaro Alberto Olivieri Marcel Zielinski

1st Serve In %

67.0%

—

1st Serve Points Won %

61.0%

—

2nd Serve Points Won %

45.7%

—

Return Points Won vs 1st Serve %

31.8%

—

Return Points Won vs 2nd Serve %

36.5%

—

Aces per Service Game

0.17

—

Double Faults per Service Game

0.17

—

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

1st Serve In %

70.3%

56.0%

1st Serve Points Won %

69.8%

59.1%

2nd Serve Points Won %

48.2%

41.1%

Return Points Won vs 1st Serve %

39.7%

33.3%

Return Points Won vs 2nd Serve %

58.0%

53.8%

Aces per Service Game

0.26

0.12

Double Faults per Service Game

0.14

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.

Genaro Alberto Olivieri Marcel Zielinski

Break Points Saved %

51.3%

—

Break Points Converted %

30.4%

—

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

Break Points Saved %

63.9%

56.5%

Break Points Converted %

48.9%

37.9%

Based on each player's last 10 Challenger matches.

Head-to-Head

Genaro Alberto Olivieri 0 – 0 Marcel Zielinski

Clay Tampere challenger · 2026-07-20

qualification - round of 16

Genaro Alberto Olivieri #199

Marcel Zielinski #591

6-2 6-2

0 Aces 1

0 Double Faults 1

50 Service Points 51

38 First Serve In 30

27 First Serve Won 18

7 Second Serve Won 8

0 Break Points Saved 4

0 Break Points Faced 8

- Winners -

- Unforced Errors -

1.1 Average Odds 4.8

Genaro Alberto Olivieri vs Marcel Zielinski — Prediction