Jason Jung vs Zdenek KolarPrediction, Head-to-Head Results, and Stats
Jason Jung and Zdenek Kolar have met 3 times since 2022; Jason Jung leads 2–1. Their first meeting came at Yokohama Challenger in 2022 on hard. On hard courts Jung leads 2–0. Across all meetings Jung has taken 4 sets to Kolar's 2. Their most recent meeting: Zdenek Kolar won at Bratislava Challenger (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Jung | Kolar | ||
|---|---|---|---|---|
| Indicator | Jason Jung | Zdenek Kolar | ||
| Wins in straight sets | 50% | 3/6 | 79% | 26/33 |
| Wins a set when losing | 38% | 3/8 | 38% | 14/37 |
| Goes to a deciding set | 43% | 6/14 | 30% | 21/70 |
| Covers −1.5 sets as favorite | — | 44% | 19/43 | |
| Covers +1.5 sets as underdog | 62% | 8/13 | 52% | 13/25 |
| Tiebreak sets won | 88% | 7/8 | 39% | 9/23 |
| Wins after taking set 1 | 71% | 5/7 | 78% | 29/37 |
| Wins 2-0 after taking set 1 | 43% | 3/7 | 70% | 26/37 |
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. Head-to-head: 3 of 3 completed meetings ended in straight sets (Jung 2, Kolar 1).
Style Matchup
Playing styles and historical archetype record
Jung
🎾 All-Court
Kolar
🪃 Counterpuncher
Matchup analysis
🎾 All-Court vs 🪃 Counterpuncher is historically tight (51% vs 49%, 878 matches). Neither style has a clear edge, so form, surface, and the head-to-head matter most.
Previous meetings
3 career meetings, newest first
Jun 9, 2026
Bratislava Challenger
C Clay · 1st Round
Nov 14, 2023
Kobe Challenger
H Hard · 1st Round
Oct 31, 2022
Yokohama Challenger
H Hard · 1st Round
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Jung | Kolar |
|---|---|---|
| W-L | - | 5–8 |
| Avg odds | - | 2.00 |
| ROI % | - | -30.5% |
| Units P/L | - | -3.97u |
Travel
Last 30 days
| Metric | Jung | Kolar |
|---|---|---|
| Countries | — | 1 |
| Events | — | 1 |
| Matches | — | 3 |
| Distance | — | 0 mi · 0 km |
| Route | — | POL |
Host country from each tournament in the last 30 days, including the current event even when a player arrived on a bye. 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
Across 3 shared opponents, both Jung and Kolar posted a 100% win rate.
| Opponent | Jung | Kolar |
|---|---|---|
| James McCabe | W 64 63 | W 63 76 |
| Kasidit Samrej | W 64 76 | W 75 64 |
| Arthur Weber | W 67 63 76 | W 75 75 |
Recent Form
Last five matches per player
Alex Michelsen
Newport Challenger · 2nd Round
Jul 9
James McCabe
Newport Challenger · 1st Round
Jul 8
Hiroki Moriya
Newport Challenger · 3rd Round Qualifying
Jul 7
Alvaro Lopez San Martin
Newport challenger
Jul 5
Andres Martin
Newport Challenger · 1st Round Qualifying
Jul 5
Zdenek Kolar
Bratislava Challenger · 1st Round
Jun 9
Andre Ilagan
Wuxi Challenger · 1st Round
May 5
Giles Hussey
Jiujiang Challenger · 1st Round
Apr 29
Michele Ribecai
Palermo Challenger · 2nd Round
Oct 7
Dimitris Sakellaridis
Palermo Challenger · 1st Round
Oct 6
Nikolas Sanchez Izquierdo
Szczecin Challenger · Quarterfinals
Sep 18
Hynek Barton
Szczecin Challenger · 2nd Round
Sep 17
Ivan Gakhov
Szczecin Challenger · 1st Round
Sep 15
Alex Barrena
Tulln Challenger · Quarterfinals
Sep 11
Martin Krumich
Tulln Challenger · 2nd Round
Sep 9
Olle Wallin
Tulln Challenger · 1st Round
Sep 8
Rivalry momentum
Cumulative head-to-head lead over time
Win rate
Matches, sets and games won · Last 12 months · 14–70 matches
| Metric | Jung | Kolar |
|---|---|---|
| Matches won | 43% | 47% |
| Sets won | 44% | 50% |
| Games won | 46% | 50% |
Record by tier
Head-to-head record by tournament tier
| Stage | Jung | Kolar |
|---|---|---|
| ATP Challenger Tour | 2 | 1 |
By surface
Head-to-head record per surface
| Surface | Jung | Kolar |
|---|---|---|
| Hard | 2 | 0 |
| Clay | 0 | 1 |
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