Jason Jung vs Zdenek Kolar Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
J. Jung vs Z. Kolar

Jason Jung

TPE

2

Win

Played

0

Win

Age

5'11" (180 cm)

Height

6'1" (185 cm)

856

C. Rank

176

114

Best Rank

111

Total Titles

YTD Titles

$350.6K

Career Money

$388.2K

Right-Handed

Plays

Right-Handed

Zdenek Kolar

CZE

2

Win

Played

0

Win

Age

5'11" (180 cm)

Height

6'1" (185 cm)

856

C. Rank

176

114

Best Rank

111

Total Titles

YTD Titles

$350.6K

Career Money

$388.2K

Right-Handed

Plays

Right-Handed

Head-to-head: Jung 2 - 0 Kolar

They have played 4 sets in total, with Jason Jung winning 4 and Zdenek Kolar winning 0. The last match between Jason Jung and Zdenek Kolar was at the Kobe Challenger, 14-11-2023, Round: R1, Surface: I.hard, with Jason Jung getting the victory 6-4 7-6(4).

Players	Head To Head Match Wins
Jung	2
Kolar	0

Last 2 H2H Matches:

(R1) Kobe Challenger(11-14-23)

Stats

Jason Jung

Zdenek Kolar

(R1) Yokohama Challenger(10-31-22)

Stats

Jason Jung

Zdenek Kolar

J. Jung vs Z. Kolar H2H Profile

J. Jung	Stats	Z. Kolar
$350,585	Career Prize Money	$388,240
55.35% (414-334)	Career Total W/L	56.80% (447-340)
1	Hard	0
1	Indoor	0
8	Titles	13
2	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0% (0-0)

J. Jung vs Z. Kolar Match Preview:

Second serve performance recent form: In recent form (last 6 months), Jason Jung has won 46.12% of points on their second serve, while Zdenek Kolar has won 42.55%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Jason Jung, in recent form, has won 48.64% of their opponent's second serve points, while Zdenek Kolar has won 45.75%. The same stats for first serve returns are 28.54% and 27.02% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Jason Jung has saved 52.44% of breakpoints in recent form, whereas Zdenek Kolar has saved 53.88% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Jason Jung has won 22.22% of matches played (W/L 2/7), with Zdenek Kolar winning 68.04% (W/L 66/31) that gives us an overall head-to head prediction overview.
Best surface: Jason Jung has their best career surface win % on Hard, winning 58% (W/L 308/223), and worse career win % on Grass, winning 43% (W/L 20/26). Zdenek Kolar has their best career surface win % on Clay, winning 58% (W/L 326/217), and worse career win % on Hard, winning 39% (W/L 25/39).
Player level: In the last year, Jason Jung has played most of their matches on the Challengers/ITF tournaments > $10K, winning 22.22% of matches (W/L 2/7), where as Zdenek Kolar has played most of their matches on the Challengers/ITF tournaments > $10K, winning 64.62% of matches (W/L 42/23). When comparing stats between players to predict the favorite, it is of course all relative to the event level they have been playing at.
Direct H2H matches: They have played 2 times before with Jason Jung winning 2 times and Zdenek Kolar being victorious 0 times. They have played 4 sets in total, with Jason Jung winning 4 and Zdenek Kolar winning 0.
The last match between Jason Jung and Zdenek Kolar was at the Kobe Challenger, 14-11-2023, Round: R1, Surface: I.hard, with Jason Jung getting the victory 6-4 7-6(4).
Head to head match duration: In past head to head matches, the average match time between these players has been 1:24:44.
Opponent quality stats: Over the last 12 months, Jason Jung has played against opponents with an average rank of 315.56 while Zdenek Kolar has played against players with an average rank of 349.7.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Jason Jung has won 33% of deciding sets over the last 12 months, while Zdenek Kolar has won 68% in all matches played on tour.
Break point conversion: In recent form, Jason Jung has converted 41.51% of breakpoint opportunities, and Zdenek Kolar has converted 29.80% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Jason Jung vs Zdenek Kolar Editorial Preview By TennisTipster88.

J. Jung vs Z. Kolar H2H Stats Used In Our Predictions

J. Jung	Stats	Z. Kolar
2	H2H Matches Won	0
4	Sets Won	0
25	Games Won	13
3	Aces (Total)	1
2	Total Double Faults	5
1:24:44	Average Match Time	1:24:44
66% (76/115)	1st Serve %	56% (66/117)
74% (56/76)	1st Serve Win %	56% (37/66)
56% (22/39)	2nd Serve Win %	47% (24/51)
62% (8/13)	Break Pts Won %	38% (3/8)
48% (56/117)	Return Points Win %	32% (37/115)
100% (2/2)	Best‑of‑3 Win %	0% (0/2)
100% (2/2)	1st Set Won, Won Match	0% (0/0)
0% (0/2)	1st Set Won, Lost Match	0% (0/0)
0% (0/0)	1st Set Lost, Won Match	0% (0/2)

Recent Performance Stats

J. Jung Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Kobe Challenger - 10-11-2025
R1 Yoshihito NishiokaY. Nishioka	L	1-6 6-3 6-4	Stats
Taipei Challenger - 03-11-2025
R2 Yoshihito NishiokaY. Nishioka	L	7-5 6-2	Stats
R1 Arthur WeberA. Weber	W	6-7(5) 6-3 7-6(6)	Stats
Suzhou Challenger - 20-10-2025
R1 James McCabeJ. McCabe	L	6-7(4) 6-4 6-2	Stats
Shenzhen Challenger - 13-10-2025
R2 Kaichi UchidaK. Uchida	L	6-3 2-0 ret.	Stats

View All

Z. Kolar Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Maia Challenger - 24-11-2025
R1 Miguel DamasM. Damas	L	6-7(5) 6-3 6-2	Stats
Montemar Challenger - 17-11-2025
F Gianluca CadenassoG. Cadenasso	W	6-4 6-4	Stats
SF Marco TrungellitiM. Trungelliti	W	3-6 6-3 6-3	Stats
QF Elmer MollerE. Moller	W	6-3 6-1	Stats
R2 Nikolas Sanchez-IzquierdoN. Sanchez-Izquierdo	W	0-6 6-3 6-4	Stats

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J. Jung vs Z. Kolar Stats Breakdown Vs All H2H Opponents

J. Jung	Stats	Z. Kolar
55.35% (414/334)	YTD Win/Loss	56.80% (447/340)
54.67% (949/787)	Sets Win/Loss	55.06% (995/812)
51.99% (8605/7946)	Games Win/Loss	51.95% (8823/8161)
58.00% (308/223)	Hard Win/Loss	39.06% (25/39)
49.21% (31/32)	Clay Win/Loss	60.04% (326/217)
50.93% (55/53)	Indoor Hard W/L	54.17% (91/77)
43.48% (20/26)	Grass Win/Loss	41.67% (5/7)
0.24	Aces Per Game	0.25
1949	Aces Total	2095
0.2	Double Faults Per Game	0.23
1621	Total Double Faults	1925
1:12:48	Average Match Time	1:29:53
566.55	Average Opponent Rank	519.33
63% (25533/40298)	1st Serve %	62% (30663/49618)
68% (17485/25533)	1st Serve Win %	67% (20603/30663)
51% (7548/14765)	2nd Serve Win %	50% (9417/18965)
40% (1594/3943)	Break Points Won % (Total)	44% (2278/5123)
39% (16005/40933)	Return Points Win %	41% (20355/49499)
38.89% (14/22)	Slam W/L	41.86% (18/25)
18.18% (2/9)	Masters W/L	0% (0/0)
40.00% (2/3)	Cups W/L	0% (0/0)
46.25% (37/43)	Main Tour W/L	42.11% (8/11)
53.93% (240/205)	Challenger W/L	52.62% (251/226)
69.59% (119/52)	Futures W/L	68.55% (170/78)
57% (409/720)	Best of 3 Sets Win %	57% (439/775)
9% (2/22)	Best of 5 Sets Win %	25% (1/4)
51% (122/241)	Tiebreaks Win % (Total)	50% (104/210)
52% (113/218)	Deciding Set Win %	55% (129/234)
85% (416/352)	1st Set Won, Won Match	88% (442/389)
15% (416/64)	1st Set Won, Lost Match	12% (442/53)
18% (331/61)	1st Set Lost, Won Match	17% (345/58)