ATP tennis predict — Gauthier Onclin vs Tyler Zink

Challenger Hard Brownsburg challenger · 1. round 18:25

Predicted probability

Gauthier Onclin

Belgium

60.98%

Tyler Zink

USA

39.02%

Average Odds

1.51 / 2.44

Market probability

61.77% / 38.23%

Why This Prediction?

Gauthier Onclin is the favorite because he has a higher Elo rating (1651 vs 1560), a higher Elo rating on hard courts (1686 vs 1572) and a stronger return game (42.0% vs 32.9% of return points won).

Player Comparison

1650.6 Elo 1560.4

1685.9 Elo (surface) 1571.8

80 Wins (Challenger) 45

38 Wins (surface) 32

9 Last 15 form 8

0 Head-to-head wins 0

1.113 Dominance ratio 0.994

167 Rank 320

25.4 Age 25.5

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.

Tyler Zink

Heavy favorite (odds below 1.30) 4W–1L · 80.0%

Favorite (odds 1.30-1.80) 4W–2L · 66.7%

Even match (odds 1.80-2.20) 2W–1L · 66.7%

Underdog (odds 2.20-4.00) 0W–8L · 0.0%

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

22 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.

Gauthier Onclin Tyler Zink

1st Serve In %

60.1%

62.1%

1st Serve Points Won %

70.0%

72.0%

2nd Serve Points Won %

45.9%

50.0%

Return Points Won vs 1st Serve %

26.2%

29.6%

Return Points Won vs 2nd Serve %

54.7%

40.7%

Aces per Service Game

0.53

0.81

Double Faults per Service Game

0.30

0.25

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

1st Serve In %

59.1%

58.6%

1st Serve Points Won %

71.3%

74.9%

2nd Serve Points Won %

55.7%

51.5%

Return Points Won vs 1st Serve %

32.8%

28.3%

Return Points Won vs 2nd Serve %

50.0%

41.8%

Aces per Service Game

0.17

0.55

Double Faults per Service Game

0.22

0.32

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 Tyler Zink

Break Points Saved %

59.7%

60.6%

Break Points Converted %

47.9%

25.7%

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

Break Points Saved %

59.6%

72.3%

Break Points Converted %

53.0%

38.6%

Based on each player's last 10 Challenger matches.

Head-to-Head

Gauthier Onclin 0 – 0 Tyler Zink

Hard Brownsburg challenger · 2026-08-13

1. round

Gauthier Onclin #167

Tyler Zink #320

6-4 3-6 6-3

4 Aces 5

2 Double Faults 1

77 Service Points 74

42 First Serve In 49

34 First Serve Won 36

19 Second Serve Won 13

2 Break Points Saved 3

4 Break Points Faced 6

- Winners -

- Unforced Errors -

1.5 Average Odds 2.4

Gauthier Onclin vs Tyler Zink — Prediction