ATP tennis predict — Takuya Kumasaka vs Sergio Callejon Hernando

Challenger Hard Segovia challenger · qualification - round of 16

Predicted probability

Takuya Kumasaka

Japan

47.97%

Sergio Callejon Hernando

Spain

52.03%

Average Odds

3.08 / 1.34

Market probability

30.32% / 69.68%

Why This Prediction?

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

Player Comparison

1472.2 Elo 1436.1

1476.3 Elo (surface) 1535.6

22 Wins (Challenger) 16

22 Wins (surface) 10

7 Last 15 form 9

0 Head-to-head wins 0

1.063 Dominance ratio 1.065

514 Rank 413

27.8 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.

Takuya Kumasaka

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

Favorite (odds 1.30-1.80) 2W–1L · 66.7%

Even match (odds 1.80-2.20) 0W–2L · 0.0%

Underdog (odds 2.20-4.00) 1W–4L · 20.0%

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

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

Sergio Callejon Hernando

Heavy favorite (odds below 1.30) 2W–0L · 100.0%

Favorite (odds 1.30-1.80) 0W–2L · 0.0%

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

Underdog (odds 2.20-4.00) 1W–1L · 50.0%

Heavy underdog (odds above 4.00) 0W–1L · 0.0%

11 matches with market odds since 2026-05-24.

Serve & Return

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

Takuya Kumasaka Sergio Callejon Hernando

Not enough ATP/Grand Slam match history yet.

1st Serve In %

58.8%

64.4%

1st Serve Points Won %

72.4%

65.0%

2nd Serve Points Won %

53.9%

51.2%

Return Points Won vs 1st Serve %

31.1%

40.2%

Return Points Won vs 2nd Serve %

48.3%

46.4%

Aces per Service Game

0.35

0.30

Double Faults per Service Game

0.27

0.25

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.

Takuya Kumasaka Sergio Callejon Hernando

Not enough ATP/Grand Slam match history yet.

Break Points Saved %

64.6%

53.0%

Break Points Converted %

34.2%

50.7%

Based on each player's last 10 Challenger matches.

Head-to-Head

Takuya Kumasaka 0 – 0 Sergio Callejon Hernando

Hard Segovia challenger · 2026-07-20

qualification - round of 16

Takuya Kumasaka #514

Sergio Callejon Hernando #413

6-3 7-6

0 Aces 2

1 Double Faults 3

60 Service Points 66

38 First Serve In 32

21 First Serve Won 24

13 Second Serve Won 18

0 Break Points Saved 5

4 Break Points Faced 8

- Winners -

- Unforced Errors -

3.1 Average Odds 1.3

Takuya Kumasaka vs Sergio Callejon Hernando — Prediction