ATP tennis predict — Gauthier Onclin vs Tom Gentzsch

Challenger Clay Tampere challenger · QF

Predicted probability

Gauthier Onclin

Belgium

38.77%

Tom Gentzsch

Germany

61.23%

Average Odds

1.90 / 1.83

Market probability

49.06% / 50.94%

Why This Prediction?

Tom Gentzsch is the favorite because he has a higher Elo rating on clay courts (1747 vs 1569), a higher Elo rating (1696 vs 1646) and more aces per game (0.28 vs 0.23).

Player Comparison

1646.5 Elo 1696.1

1569.2 Elo (surface) 1747.4

79 Wins (Challenger) 54

41 Wins (surface) 32

10 Last 15 form 11

0 Head-to-head wins 0

1.185 Dominance ratio 1.066

178 Rank 189

25.4 Age 22.9

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.

Gauthier Onclin

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

Favorite (odds 1.30-1.80) 4W–6L · 40.0%

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

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

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

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

Tom Gentzsch

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

Favorite (odds 1.30-1.80) 11W–4L · 73.3%

Even match (odds 1.80-2.20) 2W–3L · 40.0%

Underdog (odds 2.20-4.00) 2W–1L · 66.7%

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

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

Serve & Return

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

Gauthier Onclin Tom Gentzsch

1st Serve In %

60.1%

62.9%

1st Serve Points Won %

70.0%

71.6%

2nd Serve Points Won %

45.9%

49.2%

Return Points Won vs 1st Serve %

26.2%

23.6%

Return Points Won vs 2nd Serve %

54.7%

50.0%

Aces per Service Game

0.53

0.45

Double Faults per Service Game

0.30

0.26

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

1st Serve In %

59.1%

64.0%

1st Serve Points Won %

71.3%

72.2%

2nd Serve Points Won %

55.7%

45.3%

Return Points Won vs 1st Serve %

32.8%

29.0%

Return Points Won vs 2nd Serve %

50.0%

48.0%

Aces per Service Game

0.17

0.46

Double Faults per Service Game

0.22

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.

Gauthier Onclin Tom Gentzsch

Break Points Saved %

59.7%

51.4%

Break Points Converted %

47.9%

44.4%

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

Break Points Saved %

59.6%

60.7%

Break Points Converted %

53.0%

43.8%

Based on each player's last 10 Challenger matches.

Head-to-Head

Gauthier Onclin 0 – 0 Tom Gentzsch

Clay Tampere challenger · 2026-07-24

QF

Gauthier Onclin #178

Tom Gentzsch #189

6-2 6-7 6-3

1 Aces 7

3 Double Faults 4

97 Service Points 97

56 First Serve In 53

37 First Serve Won 35

27 Second Serve Won 19

4 Break Points Saved 8

6 Break Points Faced 13

- Winners -

- Unforced Errors -

1.9 Average Odds 1.8

Gauthier Onclin vs Tom Gentzsch — Prediction