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Jan Kobierski

15/01/2004 · right-handed

Global Elo

1372

Record

0-0

ATP / Tour Record

Wins: 0
Losses: 0
Matches: 0

Challenger Record

Wins: 0
Losses: 3
Matches: 3

Elo and Record by Surface

Clay 1393

Wins: 0
Losses: 0
Matches: 0

Challenger

Wins: 0
Losses: 2
Matches: 2

Hard 1457

Wins: 0
Losses: 0
Matches: 0

Challenger

Wins: 0
Losses: 1
Matches: 1

Grass 1500

Wins: 0
Losses: 0
Matches: 0

Elo Over Time

2023-09-18 2026-09-20 · 1395

3 matches in this range.

Performance vs. the Odds

Career record grouped by how big a favorite the market made Jan Kobierski , based on their average odds.

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

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

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

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

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

No market odds recorded for this player yet.

Serve & Return

Serve and return win rates from the last 10 matches at the selected level.

Not enough ATP/Grand Slam match history yet.

1st Serve In % 50.0%

1st Serve Points Won % 52.3%

2nd Serve Points Won % 46.2%

Return Points Won vs 1st Serve % 17.2%

Return Points Won vs 2nd Serve % 61.0%

Aces per Service Game 0.25

Double Faults per Service Game 0.29

Based on the last 10 Challenger matches.

Break Point Performance

How the player handles the biggest points, from the last 10 matches at the selected level.

Not enough ATP/Grand Slam match history yet.

Break Points Saved % 50.0%

Break Points Converted % 22.2%

Based on the last 10 Challenger matches.

Recent Matches

L Hard San Diego 2 challenger · qualification - 1. round · 2026-09-20

vs Spencer Johnson #449

7-6 6-3

Jan Kobierski Spencer Johnson

6 Aces 1

3 Double Faults 3

- Service Points -

- First Serve In -

32 First Serve Won 28

18 Second Serve Won 23

0 Break Points Saved 9

0 Break Points Faced 10

- Winners -

- Unforced Errors -

- Average Odds -

L Clay Tulln CH · Q1 · 2024-09-02

vs Robert Strombachs #436

6-2 6-3

Jan Kobierski Robert Strombachs

0 Aces 2

3 Double Faults 6

60 Service Points 56

31 First Serve In 31

14 First Serve Won 25

11 Second Serve Won 7

4 Break Points Saved 5

10 Break Points Faced 8

- Winners -

- Unforced Errors -

- Average Odds -

L Clay Bad Waltersdorf CH · Q1 · 2023-09-18

vs Andrea Picchione #527

6-3 6-3

Jan Kobierski Andrea Picchione

1 Aces 0

2 Double Faults 0

70 Service Points 49

34 First Serve In 33

20 First Serve Won 28

19 Second Serve Won 9

5 Break Points Saved 0

8 Break Points Faced 0

- Winners -

- Unforced Errors -

- Average Odds -