ATP tennis predict — Stefan Kozlov vs Aidan Kim

Challenger Hard Columbus 3 challenger · 1. round 16:00

Predicted probability

Stefan Kozlov

USA

60.26%

Aidan Kim

USA

39.74%

Average Odds

1.89 / 1.78

Market probability

48.50% / 51.50%

Why This Prediction?

Stefan Kozlov is the favorite because he has a higher Elo rating (1617 vs 1540), more wins on hard courts (165 vs 10) and a higher Elo rating on hard courts (1581 vs 1534).

Player Comparison

1616.7 Elo 1539.6

1580.7 Elo (surface) 1533.7

219 Wins (Challenger) 10

165 Wins (surface) 10

7 Last 15 form 9

0 Head-to-head wins 0

1.209 Dominance ratio 0.945

294 Rank 628

28.6 Age 21.8

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 Kim

Heavy favorite (odds below 1.30) 3W–0L · 100.0%

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

Even match (odds 1.80-2.20) 0W–1L · 0.0%

Underdog (odds 2.20-4.00) 0W–2L · 0.0%

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

10 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.

Stefan Kozlov Aidan Kim

1st Serve In %

64.3%

—

1st Serve Points Won %

53.1%

—

2nd Serve Points Won %

38.9%

—

Return Points Won vs 1st Serve %

35.1%

—

Return Points Won vs 2nd Serve %

50.8%

—

Aces per Service Game

0.12

—

Double Faults per Service Game

0.35

—

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

1st Serve In %

65.7%

54.8%

1st Serve Points Won %

66.2%

72.2%

2nd Serve Points Won %

51.6%

51.7%

Return Points Won vs 1st Serve %

37.6%

27.3%

Return Points Won vs 2nd Serve %

55.7%

44.0%

Aces per Service Game

0.19

0.67

Double Faults per Service Game

0.25

0.43

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 Kim

Break Points Saved %

49.5%

—

Break Points Converted %

40.0%

—

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

Break Points Saved %

57.1%

67.2%

Break Points Converted %

42.9%

31.2%

Based on each player's last 10 Challenger matches.

Head-to-Head

Stefan Kozlov and Aidan Kim have never played each other.

Stefan Kozlov vs Aidan Kim — Prediction