Prediction of Jonathan Chang vs Dominik Koepfer Head-to-Head, At

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
J. Chang vs D. Koepfer

Jonathan Chang

USA

1

Win

Played

1

Win

Age

6'0" (183 cm)

Height

5'11" (180 cm)

Ret.

C. Rank

509

Best Rank

Total Titles

YTD Titles

Career Money

$1.9M

Right-Handed

Plays

Left-Handed

Dominik Koepfer

GER

1

Win

Played

1

Win

Age

6'0" (183 cm)

Height

5'11" (180 cm)

Ret.

C. Rank

509

Best Rank

Total Titles

YTD Titles

Career Money

$1.9M

Right-Handed

Plays

Left-Handed

Head-to-head: Chang 1 - 1 Koepfer

They have played 5 sets in total, with Jonathan Chang winning 2 and Dominik Koepfer winning 3. The last match between Jonathan Chang and Dominik Koepfer was at the USA F24, 21-07-2016, Round: R2, Surface: Hard, with Jonathan Chang getting the victory 6-7(3) 6-2 7-5.

Players	Head To Head Match Wins
Chang	1
Koepfer	1

Last 2 H2H Matches:

(R2) USA F24(07-21-16)

Stats

Jonathan Chang

Dominik Koepfer

(Q3) USA F21(06-20-16)

Stats

Dominik Koepfer

Jonathan Chang

J. Chang vs D. Koepfer H2H Profile

J. Chang	Stats	D. Koepfer
$0	Career Prize Money	$1,920,765
58.22% (124-89)	Career Total W/L	59.73% (313-211)
1	Hard	1
0	Titles	9
1	Total H2H Matches	1
0% (0-0)	YTD Win/Loss	33.33% (1-2)

J. Chang vs D. Koepfer Match Preview:

Second serve performance recent form: In recent form (last 6 months), Jonathan Chang has won 0% of points on their second serve, while Dominik Koepfer has won 0%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Jonathan Chang, in recent form, has won 0% of their opponent's second serve points, while Dominik Koepfer has won 0%. The same stats for first serve returns are 0% and 0% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Jonathan Chang has saved 0% of breakpoints in recent form, whereas Dominik Koepfer has saved 0% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Jonathan Chang has won 0% of matches played (W/L 0/0), with Dominik Koepfer winning 53.85% (W/L 7/6) that gives us an overall head-to head prediction overview.
Best surface: Jonathan Chang has their best career surface win % on Clay, winning 64% (W/L 36/20), and worse career win % on I.hard, winning 50% (W/L 12/12). Dominik Koepfer has their best career surface win % on Hard, winning 64% (W/L 141/91), and worse career win % on Grass, winning 56% (W/L 24/19).
Player level: In the last year, Jonathan Chang has played most of their matches on the N/A, winning 0% of matches (W/L 0/0), where as Dominik Koepfer has played most of their matches on the Challengers/ITF tournaments > $10K, winning 42.86% of matches (W/L 3/4). 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 Jonathan Chang winning 1 times and Dominik Koepfer being victorious 1 times. They have played 5 sets in total, with Jonathan Chang winning 2 and Dominik Koepfer winning 3.
The last match between Jonathan Chang and Dominik Koepfer was at the USA F24, 21-07-2016, Round: R2, Surface: Hard, with Jonathan Chang getting the victory 6-7(3) 6-2 7-5.
Head to head match duration: In past head to head matches, the average match time between these players has been 1:31:0.
Opponent quality stats: Over the last 12 months, Jonathan Chang has played against opponents with an average rank of 0 while Dominik Koepfer has played against players with an average rank of 230.54.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Jonathan Chang has won 0% of deciding sets over the last 12 months, while Dominik Koepfer has won 50% in all matches played on tour.
Break point conversion: In recent form, Jonathan Chang has converted 0% of breakpoint opportunities, and Dominik Koepfer has converted 0% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Jonathan Chang vs Dominik Koepfer Editorial Preview By TennisTipster88.

J. Chang vs D. Koepfer H2H Stats Used In Our Predictions

J. Chang	Stats	D. Koepfer
1	H2H Matches Won	1
2	Sets Won	3
26	Games Won	27
1	Aces (Total)	2
3	Total Double Faults	6
1:31:0	Average Match Time	1:31:0
75% (88/117)	1st Serve %	59% (63/107)
64% (56/88)	1st Serve Win %	56% (35/63)
45% (13/29)	2nd Serve Win %	55% (24/44)
64% (7/11)	Break Pts Won %	36% (4/11)
45% (48/107)	Return Points Win %	41% (48/117)
50% (1/2)	Best‑of‑3 Win %	50% (1/2)
100% (1/1)	Deciding Set Win %	0% (0/1)
0% (0/0)	1st Set Won, Won Match	50% (1/2)
0% (0/0)	1st Set Won, Lost Match	50% (1/2)
50% (1/2)	1st Set Lost, Won Match	0% (0/0)

Recent Performance Stats

J. Chang Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
USA F33 (Columbus) - 19-11-2018
QF Andrew WatsonA. Watson	L	6-4 7-6(6)	Stats
R2 Cannon KingsleyC. Kingsley	W	3-6 6-1 7-5	Stats
R1 Ronnie SchneiderR. Schneider	W	6-4 4-6 6-2	Stats
Q3 Dillon EarlyD. Early	W	6-1 6-0	Stats
Houston Challenger - 12-11-2018
Q1 Alejandro GonzalezA. Gonzalez	L	6-2 6-3	Stats

View All

D. Koepfer Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Tenerife 2 Challenger - 10-02-2025
QF Filip MisolicF. Misolic	L	6-2 2-6 7-6(4)	Stats
R2 Chris RodeschC. Rodesch	W	7-5 6-3	Stats
R1 Giovanni FonioG. Fonio	W	6-3 4-6 6-2	Stats
Tenerife 1 Challenger - 03-02-2025
R2 Johannus MondayJ. Monday	L	3-6 7-6(4) 7-6(4)	Stats
R1 Bernabe Zapata MirallesB. Zapata	W	6-2 6-2	Stats

View All

J. Chang vs D. Koepfer Stats Breakdown Vs All H2H Opponents

J. Chang	Stats	D. Koepfer
58.22% (124/89)	YTD Win/Loss	59.73% (313/211)
56.84% (270/205)	Sets Win/Loss	55.62% (713/569)
53.96% (2261/1929)	Games Win/Loss	52.21% (6424/5880)
58.46% (76/54)	Hard Win/Loss	60.78% (141/91)
64.29% (36/20)	Clay Win/Loss	60.14% (89/59)
44.44% (12/15)	Indoor Hard W/L	58.42% (59/42)
0% (0/0)	Grass Win/Loss	55.81% (24/19)
0.04	Aces Per Game	0.31
91	Aces Total	1874
0.06	Double Faults Per Game	0.3
129	Total Double Faults	1821
1st Match	Average Match Time	1:35:49
282.8	Average Opponent Rank	432.25
64% (2488/3869)	1st Serve %	62% (22644/36389)
62% (1534/2488)	1st Serve Win %	69% (15568/22644)
45% (619/1381)	2nd Serve Win %	51% (7006/13740)
44% (175/395)	Break Points Won % (Total)	40% (1495/3714)
41% (1593/3901)	Return Points Win %	40% (14767/37231)
0% (0/0)	Slam W/L	52.17% (24/22)
0% (0/0)	Masters W/L	52.38% (22/20)
0% (0/0)	Cups W/L	60.00% (3/2)
0% (0/0)	Main Tour W/L	45.83% (44/52)
0.00% (0/8)	Challenger W/L	61.99% (137/84)
60.49% (124/81)	Futures W/L	73.15% (79/29)
58% (123/211)	Best of 3 Sets Win %	60% (297/491)
0% (0/1)	Best of 5 Sets Win %	43% (13/30)
56% (22/39)	Tiebreaks Win % (Total)	54% (101/186)
55% (27/49)	Deciding Set Win %	63% (121/191)
89% (123/110)	1st Set Won, Won Match	86% (281/243)
11% (123/13)	1st Set Won, Lost Match	14% (281/38)
16% (90/14)	1st Set Lost, Won Match	29% (242/69)