Jan Kobierski vs Nathan PonwithPrediction, Head-to-Head Results, and Stats
Jan Kobierski and Nathan Ponwith have met 1 time since 2025; Nathan Ponwith leads 1–0. Across all meetings Kobierski has taken 0 sets to Ponwith's 2. Their most recent meeting: Nathan Ponwith won at M15 Huntsville AL (2025).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Kobierski | Ponwith | ||
|---|---|---|---|---|
| Indicator | Jan Kobierski | Nathan Ponwith | ||
| Wins in straight sets | 100% | 1/1 | 57% | 4/7 |
| Wins a set when losing | 0% | 0/3 | 20% | 2/10 |
| Goes to a deciding set | 0% | 0/4 | 29% | 5/17 |
| Covers −1.5 sets as favorite | — | 50% | 2/4 | |
| Covers +1.5 sets as underdog | 0% | 0/2 | 30% | 3/10 |
| Tiebreak sets won | 100% | 1/1 | 20% | 1/5 |
| Wins after taking set 1 | 100% | 1/1 | 67% | 4/6 |
| Wins 2-0 after taking set 1 | 100% | 1/1 | 67% | 4/6 |
Colored rows are higher-is-better: green above 50%, red below. Favorite/underdog set by book odds; cover rows count only matches with odds on record. Small sample — read with care. Head-to-head: 1 of 1 completed meetings ended in straight sets (Kobierski 0, Ponwith 1).
Previous meetings
1 career meeting, newest first
Aug 13, 2025
M15 Huntsville AL
C Clay · Round of 32
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Kobierski | Ponwith |
|---|---|---|
| W-L | 0–2 | 1–0 |
| Avg odds | 3.67 | 1.40 |
| ROI % | -100.0% | +40.0% |
| Units P/L | -2.00u | +0.40u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Kobierski | Ponwith |
|---|---|---|
| Countries | — | 1 |
| Events | — | 1 |
| Matches | — | 2 |
| Distance | — | — |
| Route | — | USA |
Host country from the tournament each match was played in, over the last 30 days. Route is the order of countries visited; consecutive stops in the same country are shown once. Distance is the great-circle total between host cities, shown only when every stop in the window is geocoded. A rough fatigue signal, not a headline stat.
Recent Form
Last five matches per player
John Hallquist Lithen
M15 Wels · 1st Round
Jul 29
Max Wiskandt
Futures 2026
Jul 15
David Naharro
Futures 2026
Jun 23
Alexander Gschiel
Futures 2026
Jun 22
Nathan Ponwith
M15 Huntsville AL · Round of 32
Aug 13
Marlon Vankan
M15 Wels · Round of 32
Jul 30
Robert Strombachs
Tulln · 1st Round Qualifying
Sep 1
Andrea Picchione
Bad Waltersdorf · 1st Round Qualifying
Sep 17
Oliver Okonkwo
M15 Champaign · 2nd Round
Aug 27
David Bakonyi
M15 Champaign · 1st Round
Aug 26
Branko Djuric
M25 Bakersfield 1 · 2nd Round
Mar 19
Jacob Brumm
M25 Bakersfield 1 · 1st Round
Mar 18
Stefan Kozlov
Arizona Tennis Classic · 1st Round Qualifying
Mar 9
Robert Strombachs
M25 San Jose 1 · 2nd Round
Feb 18
Niccolo Catini
M25 San Jose 1 · 1st Round
Feb 17
Natan Rodrigues
M15 Huamantla 2 · Quarterfinals
Feb 6
Win rate
Matches, sets and games won · Last 12 months · 4–17 matches
| Metric | Kobierski | Ponwith |
|---|---|---|
| Matches won | 25% | 41% |
| Sets won | 25% | 41% |
| Games won | 35% | 47% |
Record by tier
Head-to-head record by tournament tier
| Stage | Kobierski | Ponwith |
|---|---|---|
| ITF M15 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Kobierski | Ponwith |
|---|---|---|
| Clay | 0 | 1 |
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