ATP tennis predict — Kokoro Isomura vs Uisung Park

Challenger Hard Astana 4 challenger · qualification - 1. round 07:05

Predicted probability

Kokoro Isomura

Japan

55.29%

Uisung Park

South Korea

44.71%

Average Odds

2.08 / 1.67

Market probability

44.53% / 55.47%

Why This Prediction?

Kokoro Isomura is the favorite because he has a higher Elo rating on hard courts (1505 vs 1475), a higher Elo rating (1499 vs 1468) and more wins on hard courts (31 vs 11).

Player Comparison

1499.1 Elo 1468.0

1505.1 Elo (surface) 1475.1

31 Wins (Challenger) 11

31 Wins (surface) 11

6 Last 15 form 7

0 Head-to-head wins 0

0.855 Dominance ratio 0.962

566 Rank 753

23.6 Age 25.9

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.

Kokoro Isomura

Heavy favorite (odds below 1.30) 0W–0L · 0.0%

Favorite (odds 1.30-1.80) 2W–0L · 100.0%

Even match (odds 1.80-2.20) 3W–0L · 100.0%

Underdog (odds 2.20-4.00) 0W–4L · 0.0%

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

9 matches with market odds since 2026-07-12.

Uisung Park

Heavy favorite (odds below 1.30) 0W–1L · 0.0%

Favorite (odds 1.30-1.80) 0W–1L · 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–0L · 0.0%

3 matches with market odds since 2026-08-09.

Serve & Return

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

Kokoro Isomura Uisung Park

Not enough ATP/Grand Slam match history yet.

1st Serve In %

59.6%

59.8%

1st Serve Points Won %

70.1%

70.6%

2nd Serve Points Won %

40.9%

47.3%

Return Points Won vs 1st Serve %

28.3%

27.0%

Return Points Won vs 2nd Serve %

52.7%

46.4%

Aces per Service Game

0.40

0.60

Double Faults per Service Game

0.66

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.

Kokoro Isomura Uisung Park

Not enough ATP/Grand Slam match history yet.

Break Points Saved %

58.9%

64.9%

Break Points Converted %

34.9%

41.3%

Based on each player's last 10 Challenger matches.

Head-to-Head

Kokoro Isomura 0 – 0 Uisung Park

Hard Zhangjiagang challenger · 2026-08-30

qualification - 1. round

Kokoro Isomura #539

Uisung Park #763

7-5 6-4

9 Aces 7

6 Double Faults 5

66 Service Points 64

39 First Serve In 42

30 First Serve Won 32

11 Second Serve Won 13

1 Break Points Saved 6

4 Break Points Faced 7

- Winners -

- Unforced Errors -

1.6 Average Odds 2.2

Hard Astana 4 challenger · 2026-08-09

qualification - 1. round

Kokoro Isomura #566

Uisung Park #753

6-2 6-2

6 Aces 4

6 Double Faults 5

56 Service Points 58

27 First Serve In 27

20 First Serve Won 18

13 Second Serve Won 9

1 Break Points Saved 6

3 Break Points Faced 12

- Winners -

- Unforced Errors -

2.1 Average Odds 1.7

Kokoro Isomura vs Uisung Park — Prediction