Jan Sadzik vs Marcel ZielinskiPrediction, Head-to-Head Results, and Stats
Jan Sadzik and Marcel Zielinski have met 1 time since 2026; Marcel Zielinski leads 1–0. Across all meetings Sadzik has taken 0 sets to Zielinski's 2. Their most recent meeting: Marcel Zielinski won at M25 Koszalin (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Sadzik | Zielinski | ||
|---|---|---|---|---|
| Indicator | Jan Sadzik | Marcel Zielinski | ||
| Wins in straight sets | 50% | 2/4 | 59% | 30/51 |
| Wins a set when losing | 0% | 0/5 | 25% | 6/24 |
| Goes to a deciding set | 22% | 2/9 | 36% | 27/75 |
| Covers −1.5 sets as favorite | 50% | 1/2 | 55% | 18/33 |
| Covers +1.5 sets as underdog | 33% | 2/6 | 50% | 13/26 |
| Tiebreak sets won | 50% | 1/2 | 57% | 13/23 |
| Wins after taking set 1 | 100% | 4/4 | 91% | 39/43 |
| Wins 2-0 after taking set 1 | 50% | 2/4 | 70% | 30/43 |
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 (Sadzik 0, Zielinski 1).
Previous meetings
1 career meeting, newest first
Jul 30, 2026
M25 Koszalin
C Clay · 2nd Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Sadzik | Zielinski | ||
|---|---|---|---|---|
| Outcome | Jan Sadzik | Marcel Zielinski | ||
| 1 or more | 90% | 9/10 | 79% | 26/33 |
| 3 or more | 40% | 4/10 | 36% | 12/33 |
| 5 or more | 10% | 1/10 | 12% | 4/33 |
| 10 or more | 0% | 0/10 | 0% | 0/33 |
| 15 or more | 0% | 0/10 | 0% | 0/33 |
| 20 or more | 0% | 0/10 | 0% | 0/33 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Sadzik | Zielinski |
|---|---|---|
| W-L | 5–4 | 26–8 |
| Avg odds | 3.69 | 1.55 |
| ROI % | +9.8% | +0.2% |
| Units P/L | +0.88u | +0.06u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Sadzik | Zielinski |
|---|---|---|
| Countries | 1 | 3 |
| Events | 3 | 4 |
| Matches | 6 | 13 |
| Distance | — | — |
| Route | POL | POL → GER → AUT |
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.
Common opponents
Results vs. opponents both players faced · Last 12 months
Zielinski has a higher win rate against shared opponents (67% vs Sadzik's 33%).
| Opponent | Sadzik | Zielinski |
|---|---|---|
| Daniel Michalski | L 26 57 | L 46 26 |
| Unknown Player | W 76 26 63 | W 61 60 |
| Daniel Salazar Martinez | L 36 36 | W 36 63 76 |
Recent Form
Last five matches per player
Karol Filar
M25 Poznan · 1st Round
Aug 25
Daniel Michalski
M15 Krakow · Semifinals
Aug 22
Unknown Player
M15 Krakow · Quarterfinals
Aug 21
Alan Wazny
M15 Krakow · 2nd Round
Aug 20
Ammar Elamin
M15 Krakow · 1st Round
Aug 19
Daniel Salazar Martinez
M15 Bielsko Biala · 2nd Round
Aug 6
Arthur Bellegy
M15 Bielsko Biala · 1st Round
Aug 4
Marcel Zielinski
M25 Koszalin · 2nd Round
Jul 30
Heorhii Shylov
M15 Vienna · Quarterfinals
Aug 28
Alen Mujakic
M15 Vienna · 2nd Round
Aug 27
Janis Graski
M15 Vienna · 1st Round
Aug 25
Nikita Mashtakov
M15 Mistelbach · Semifinals
Aug 22
Theodore Dean
M15 Mistelbach · Quarterfinals
Aug 21
Gabriele Crivellaro
M15 Mistelbach · 2nd Round
Aug 20
Felix Fischer
M15 Mistelbach · 1st Round
Aug 19
Felix Fischer
M15 Mistelbach · 1st Round
Aug 19
Win rate
Matches, sets and games won · Last 12 months · 9–75 matches
| Metric | Sadzik | Zielinski |
|---|---|---|
| Matches won | 44% | 68% |
| Sets won | 40% | 61% |
| Games won | 46% | 54% |
Record by tier
Head-to-head record by tournament tier
| Stage | Sadzik | Zielinski |
|---|---|---|
| ITF M25 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Sadzik | Zielinski |
|---|---|---|
| Clay | 0 | 1 |
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