ATP tennis predict — Stefan Kozlov vs Aidan Mayo

Challenger Hard Brownsburg challenger · 1. round 21:00

Predicted probability

Stefan Kozlov

USA

51.29%

Aidan Mayo

USA

48.71%

Average Odds

2.50 / 1.50

Market probability

37.50% / 62.50%

Why This Prediction?

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

Player Comparison

1662.5 Elo 1600.0

1635.9 Elo (surface) 1585.8

218 Wins (Challenger) 86

164 Wins (surface) 73

8 Last 15 form 7

1 Head-to-head wins 0

1.153 Dominance ratio 0.869

295 Rank 625

28.5 Age 23.2

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.

Stefan Kozlov

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

Favorite (odds 1.30-1.80) 1W–2L · 33.3%

Even match (odds 1.80-2.20) 1W–1L · 50.0%

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

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

13 matches with market odds since 2026-07-05.

Aidan Mayo

Heavy favorite (odds below 1.30) 5W–2L · 71.4%

Favorite (odds 1.30-1.80) 5W–6L · 45.5%

Even match (odds 1.80-2.20) 4W–2L · 66.7%

Underdog (odds 2.20-4.00) 3W–3L · 50.0%

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

30 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.

Stefan Kozlov Aidan Mayo

1st Serve In %

64.3%

55.9%

1st Serve Points Won %

53.1%

71.6%

2nd Serve Points Won %

38.9%

47.1%

Return Points Won vs 1st Serve %

35.1%

28.7%

Return Points Won vs 2nd Serve %

50.8%

46.3%

Aces per Service Game

0.12

0.32

Double Faults per Service Game

0.35

0.34

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

1st Serve In %

65.7%

60.2%

1st Serve Points Won %

66.2%

71.5%

2nd Serve Points Won %

51.6%

53.4%

Return Points Won vs 1st Serve %

37.6%

34.7%

Return Points Won vs 2nd Serve %

55.7%

54.7%

Aces per Service Game

0.19

0.60

Double Faults per Service Game

0.25

0.26

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.

Stefan Kozlov Aidan Mayo

Break Points Saved %

49.5%

61.8%

Break Points Converted %

40.0%

45.5%

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

Break Points Saved %

57.1%

69.4%

Break Points Converted %

42.9%

47.5%

Based on each player's last 10 Challenger matches.

Head-to-Head

Stefan Kozlov 1 – 0 Aidan Mayo

Hard Brownsburg challenger · 2026-08-13

1. round

Stefan Kozlov #295

Aidan Mayo #625

6-3 5-7 6-2

0 Aces 3

2 Double Faults 4

82 Service Points 81

58 First Serve In 51

42 First Serve Won 33

18 Second Serve Won 19

3 Break Points Saved 4

4 Break Points Faced 7

- Winners -

- Unforced Errors -

2.4 Average Odds 1.5

Grass Newport challenger · 2026-07-05

qualification - 1. round

Stefan Kozlov #317

Aidan Mayo #561

7-6 5-7 6-3

2 Aces 4

5 Double Faults 5

99 Service Points 117

52 First Serve In 64

42 First Serve Won 49

25 Second Serve Won 24

5 Break Points Saved 3

8 Break Points Faced 7

- Winners -

- Unforced Errors -

1.8 Average Odds 1.9

Stefan Kozlov vs Aidan Mayo — Prediction