Jan Kobierski · Predictions, Stats & Form

Jan Kobierski is a 22-year-old professional tennis player. Over the last 52 weeks the serve has landed 56.5% of first deliveries, winning 64.3% of those points. Getting a foothold on the opponent serve is the struggle, at 34.7% of points won there. Under pressure the numbers hold up — 74.2% of break points faced are saved. No surface has produced a winning record so far — Hard 0-1, Clay 0-2.

Lately it has not been coming together — 3 defeats in the last 3 outings. Predictions cover match winner and score, alongside serve, return and break-point statistics. Most recently seen in our data at Challenger San Diego 2 USA Qualifying.

Serve & Return

First Serve %

56.5%

1st Serve Won

64.3%

2nd Serve Won

44.4%

Aces / Match

2.3

Double Faults / Match

2.7

Break Pts Saved

74.2%

Break Pts Converted

27.7%

Return Pts Won

34.7%

Service Hold %

76.4%

Total Pts Won

52.6%

Records Last 12 months

0

Titles

0

Finals

0

Semis or better

3

Events played

Tournament Results

ITF M15 Wels Men ITF Round of 32 ITF M25 Kramsach Men ITF Round of 32 ITF M15 Slovenska Bistrica Men ITF Qualifying

Deepest runs first, not by date

Season by season

2024

0–1

Won-lost

1

Matches

—

Tiebreaks

0

Aces / Match

3

Double Faults / Match

First Serve % 51.7%

1st Serve Won 45.2%

2nd Serve Won 37.9%

Break points won 37.5%

Break Pts Saved 40%

Season totals from the tour feed, singles only. The won-lost line is the tour's own count and can differ from the record under Predictions, which counts the matches we cover. A dash means the season holds nothing to measure that figure from.