James Duckworth vs Kokoro Isomura Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
J. Duckworth vs K. Isomura

James Duckworth

AUS

0

Win

Played

0

Win

Age

6'0" (183 cm)

Height

C. Rank

540

Best Rank

424

Total Titles

YTD Titles

$1.9M

Career Money

Right-Handed

Plays

Kokoro Isomura

JPN

0

Win

Played

0

Win

Age

6'0" (183 cm)

Height

C. Rank

540

Best Rank

424

Total Titles

YTD Titles

$1.9M

Career Money

Right-Handed

Plays

Head-to-head: Duckworth 0 - 0 Isomura

Players	Head To Head Match Wins
Duckworth	0
Isomura	0

Last 0 H2H Matches:

No past h2h happened.

J. Duckworth vs K. Isomura H2H Profile

J. Duckworth	Stats	K. Isomura
$1,878,002	Career Prize Money	$0
60.02% (524-349)	Career Total W/L	54.01% (128-109)
24	Titles	1
40.00% (8-12)	YTD Win/Loss	0% (0-0)

J. Duckworth vs K. Isomura Match Preview:

Second serve performance recent form: In recent form (last 6 months), James Duckworth has won 47.47% of points on their second serve, while Kokoro Isomura has won 44.29%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show James Duckworth, in recent form, has won 43.10% of their opponent's second serve points, while Kokoro Isomura has won 50.71%. The same stats for first serve returns are 20.44% and 25.95% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: James Duckworth has saved 56.73% of breakpoints in recent form, whereas Kokoro Isomura has saved 50.99% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year James Duckworth has won 56.58% of matches played (W/L 43/33), with Kokoro Isomura winning 52.31% (W/L 34/31) that gives us an overall head-to head prediction overview.
Best surface: James Duckworth has their best career surface win % on Clay, winning 63% (W/L 109/63), and worse career win % on Grass, winning 53% (W/L 51/45). Kokoro Isomura has their best career surface win % on I.hard, winning 63% (W/L 8/5), and worse career win % on Hard, winning 52% (W/L 95/86).
Player level: In the last year, James Duckworth has played most of their matches on the Challengers/ITF tournaments > $10K, winning 67.74% of matches (W/L 21/10), where as Kokoro Isomura has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 52.63% of matches (W/L 20/18). When comparing stats between players to predict the favorite, it is of course all relative to the event level they have been playing at.
Opponent quality stats: Over the last 12 months, James Duckworth has played against opponents with an average rank of 237.42 while Kokoro Isomura has played against players with an average rank of 416.48.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, James Duckworth has won 45% of deciding sets over the last 12 months, while Kokoro Isomura has won 50% in all matches played on tour.
Break point conversion: In recent form, James Duckworth has converted 30.05% of breakpoint opportunities, and Kokoro Isomura has converted 28.11% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

James Duckworth vs Kokoro Isomura Editorial Preview By TennisTipster88.

Recent Performance Stats

J. Duckworth Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Sydney Challenger - 17-11-2025
F Hayato MatsuokaH. Matsuoka	W	6-1 6-4	Stats
SF Jason Murray KublerJ. Murray	W	7-5 6-2	Stats
QF Dane SweenyD. Sweeny	W	6-2 6-3	Stats
R2 Matthew DellavedovaM. Dellavedova	W	6-3 6-0	Stats
R1 Moerani BouzigeM. Bouzige	W	6-4 6-1	Stats

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K. Isomura Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Yokohama Challenger - 17-11-2025
R1 Yusuke KusuharaY. Kusuhara	L	7-5 6-3	Stats
Kobe Challenger - 10-11-2025
R1 Sho ShimabukuroS. Shimabukuro	L	7-6(1) 6-4	Stats
Matsuyama Challenger - 03-11-2025
R1 Henrique RochaH. Rocha	L	5-7 6-4 6-1	Stats
Seoul Challenger - 27-10-2025
R2 Elias YmerE. Ymer	L	6-2 6-3	Stats
R1 Yosuke WatanukiY. Watanuki	W	5-2 ret.	Stats

View All

J. Duckworth vs K. Isomura Stats Breakdown Vs All H2H Opponents

J. Duckworth	Stats	K. Isomura
60.02% (524/349)	YTD Win/Loss	54.01% (128/109)
57.48% (1214/898)	Sets Win/Loss	52.16% (278/255)
52.54% (11005/9940)	Games Win/Loss	51.00% (2498/2400)
60.43% (307/201)	Hard Win/Loss	52.49% (95/86)
63.37% (109/63)	Clay Win/Loss	58.14% (25/18)
58.76% (57/40)	Indoor Hard W/L	61.54% (8/5)
53.13% (51/45)	Grass Win/Loss	0% (0/0)
0.57	Aces Per Game	0.14
5827	Aces Total	333
0.19	Double Faults Per Game	0.25
1907	Total Double Faults	598
1:27:7	Average Match Time	1:43:11
500.3	Average Opponent Rank	471.47
57% (32264/56950)	1st Serve %	68% (10102/14876)
75% (24297/32264)	1st Serve Win %	63% (6396/10102)
53% (13172/24682)	2nd Serve Win %	47% (2256/4773)
39% (1842/4776)	Break Points Won % (Total)	46% (740/1594)
37% (21051/57620)	Return Points Win %	42% (6344/15118)
37.78% (34/56)	Slam W/L	0% (0/0)
52.73% (29/26)	Masters W/L	0% (0/0)
0.00% (0/2)	Cups W/L	0% (0/0)
48.96% (94/98)	Main Tour W/L	0% (0/0)
67.37% (287/139)	Challenger W/L	53.66% (22/19)
74.53% (79/27)	Futures W/L	54.08% (106/90)
63% (505/807)	Best of 3 Sets Win %	53% (124/232)
27% (15/55)	Best of 5 Sets Win %	100% (1/1)
54% (227/418)	Tiebreaks Win % (Total)	59% (38/64)
54% (159/296)	Deciding Set Win %	60% (37/62)
85% (510/435)	1st Set Won, Won Match	91% (117/107)
14% (510/72)	1st Set Won, Lost Match	9% (117/10)
24% (362/87)	1st Set Lost, Won Match	18% (120/21)