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

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
D. Koepfer vs J. Chang

Dominik Koepfer

GER

1

Win

Played

1

Win

Age

5'11" (180 cm)

Height

6'0" (183 cm)

509

C. Rank

Ret.

Best Rank

Total Titles

YTD Titles

$1.9M

Career Money

Left-Handed

Plays

Right-Handed

Jonathan Chang

USA

1

Win

Played

1

Win

Age

5'11" (180 cm)

Height

6'0" (183 cm)

509

C. Rank

Ret.

Best Rank

Total Titles

YTD Titles

$1.9M

Career Money

Left-Handed

Plays

Right-Handed

Head-to-head: Koepfer 1 - 1 Chang

They have played 5 sets in total, with Dominik Koepfer winning 3 and Jonathan Chang winning 2. 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
Koepfer	1
Chang	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

D. Koepfer vs J. Chang H2H Profile

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

D. Koepfer vs J. Chang Match Preview:

Second serve performance recent form: In recent form (last 6 months), Dominik Koepfer has won 0% of points on their second serve, while Jonathan Chang has won 0%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Dominik Koepfer, in recent form, has won 0% of their opponent's second serve points, while Jonathan Chang 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: Dominik Koepfer has saved 0% of breakpoints in recent form, whereas Jonathan Chang has saved 0% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Dominik Koepfer has won 53.85% of matches played (W/L 7/6), with Jonathan Chang winning 0% (W/L 0/0) that gives us an overall head-to head prediction overview.
Best surface: Dominik Koepfer has their best career surface win % on Hard, winning 61% (W/L 141/91), and worse career win % on Grass, winning 56% (W/L 24/19). Jonathan Chang has their best career surface win % on Clay, winning 61% (W/L 36/20), and worse career win % on I.hard, winning 50% (W/L 12/12).
Player level: In the last year, Dominik Koepfer has played most of their matches on the Challengers/ITF tournaments > $10K, winning 42.86% of matches (W/L 3/4), where as Jonathan Chang has played most of their matches on the N/A, winning 0% of matches (W/L 0/0). 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 Dominik Koepfer winning 1 times and Jonathan Chang being victorious 1 times. They have played 5 sets in total, with Dominik Koepfer winning 3 and Jonathan Chang winning 2.
The last match between Dominik Koepfer and Jonathan Chang 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, Dominik Koepfer has played against opponents with an average rank of 230.54 while Jonathan Chang has played against players with an average rank of 0.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Dominik Koepfer has won 50% of deciding sets over the last 12 months, while Jonathan Chang has won 0% in all matches played on tour.
Break point conversion: In recent form, Dominik Koepfer has converted 0% of breakpoint opportunities, and Jonathan Chang 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.

Dominik Koepfer vs Jonathan Chang Editorial Preview By TennisTipster88.

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

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

Recent Performance Stats

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 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 vs J. Chang Stats Breakdown Vs All H2H Opponents

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