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 | 60% | 3/5 | 77% | 30/39 |
| Wins a set when losing | 38% | 3/8 | 40% | 14/35 |
| Goes to a deciding set | 38% | 5/13 | 31% | 23/74 |
| Covers −1.5 sets as favorite | — | 48% | 24/50 | |
| Covers +1.5 sets as underdog | 58% | 7/12 | 52% | 12/23 |
| Tiebreak sets won | 86% | 6/7 | 39% | 9/23 |
| Wins after taking set 1 | 67% | 4/6 | 79% | 34/43 |
| Wins 2-0 after taking set 1 | 50% | 3/6 | 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. 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
🛡️ The Spoiler
Kolar
🪃 Counterpuncher
Matchup analysis
The 🪃 Counterpuncher archetype wins about 53% vs 🛡️ The Spoiler across 407 matches in our dataset: a stylistic lean toward Zdenek Kolar.
Counterpuncher players often use elite bp conversion and strong return game to pressure the the spoiler's strong court coverage.
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
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Jung | Kolar | ||
|---|---|---|---|---|
| Outcome | Jason Jung | Zdenek Kolar | ||
| 1 or more | 67% | 2/3 | 80% | 8/10 |
| 3 or more | 0% | 0/3 | 40% | 4/10 |
| 5 or more | 0% | 0/3 | 10% | 1/10 |
| 10 or more | 0% | 0/3 | 0% | 0/10 |
| 15 or more | 0% | 0/3 | 0% | 0/10 |
| 20 or more | 0% | 0/3 | 0% | 0/10 |
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 | 2–2 | 3–8 |
| Avg odds | 5.26 | 2.07 |
| ROI % | +27.8% | -66.7% |
| Units P/L | +1.11u | -7.34u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Jung | Kolar |
|---|---|---|
| Countries | — | 1 |
| Events | — | 1 |
| Matches | — | 1 |
| Distance | — | 0 mi · 0 km |
| Route | — | GER |
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
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
Jul 7
Alvaro Lopez San Martin
Newport challenger
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
Hyeon Chung
Gwangju Challenger · 1st Round
Apr 21
Raul Brancaccio
Hagen Challenger · 1st Round
Aug 4
Jan Kumstat
Liberec Challenger · 1st Round
Jul 27
Thiago Seyboth Wild
Zug Challenger · 1st Round
Jul 20
Juan Manuel Cerundolo
EFG Swiss Open - Gstaad · 1st Round
Jul 14
Taro Daniel
Iasi Challenger · 2nd Round
Jul 9
Stefan Palosi
Iasi Challenger · 1st Round
Jul 6
Tom Gentzsch
Wimbledon · 1st Round Qualifying
Jun 22
Federico Cina
Bratislava Challenger · Quarterfinals
Jun 12
Rivalry momentum
Cumulative head-to-head lead over time
Win rate
Matches, sets and games won · Last 12 months · 13–74 matches
| Metric | Jung | Kolar |
|---|---|---|
| Matches won | 38% | 53% |
| Sets won | 42% | 54% |
| Games won | 46% | 52% |
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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