Soon-Woo Kwon vs Jumpei Yamasaki Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
S. Kwon vs J. Yamasaki

Soon-Woo Kwon

KOR

2

Win

Played

0

Win

Age

5'11" (180 cm)

Height

5'11" (180 cm)

481

C. Rank

896

Best Rank

446

Total Titles

YTD Titles

$1.4M

Career Money

Right-Handed

Plays

Right-Handed

Jumpei Yamasaki

JPN

2

Win

Played

0

Win

Age

5'11" (180 cm)

Height

5'11" (180 cm)

481

C. Rank

896

Best Rank

446

Total Titles

YTD Titles

$1.4M

Career Money

Right-Handed

Plays

Right-Handed

Head-to-head: Kwon 2 - 0 Yamasaki

They have played 4 sets in total, with Soon-Woo Kwon winning 4 and Jumpei Yamasaki winning 0. The last match between Soon-Woo Kwon and Jumpei Yamasaki was at the Korea F3 (Daegu), 22-06-2018, Round: QF, Surface: Hard, with Soon-Woo Kwon getting the victory 6-3 6-1.

Players	Head To Head Match Wins
Kwon	2
Yamasaki	0

Last 2 H2H Matches:

(QF) Korea F3 (Daegu)(06-22-18)

Stats

Soon-Woo Kwon

Jumpei Yamasaki

(R1) Kyoto Challenger(02-21-17)

Stats

Soon-Woo Kwon

Jumpei Yamasaki

S. Kwon vs J. Yamasaki H2H Profile

S. Kwon	Stats	J. Yamasaki
$1,444,440	Career Prize Money	$0
60.48% (303-198)	Career Total W/L	58.04% (267-193)
1	Hard	0
1	Indoor	0
13	Titles	3
2	Total H2H Matches	0
50.00% (1-1)	YTD Win/Loss	0% (0-0)

S. Kwon vs J. Yamasaki Match Preview:

Second serve performance recent form: In recent form (last 6 months), Soon-Woo Kwon has won 40.00% of points on their second serve, while Jumpei Yamasaki has won 43.94%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Soon-Woo Kwon, in recent form, has won 39.27% of their opponent's second serve points, while Jumpei Yamasaki has won 48.56%. The same stats for first serve returns are 21.41% and 26.15% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Soon-Woo Kwon has saved 50.00% of breakpoints in recent form, whereas Jumpei Yamasaki has saved 48.30% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Soon-Woo Kwon has won 81.25% of matches played (W/L 26/6), with Jumpei Yamasaki winning 64.71% (W/L 33/18) that gives us an overall head-to head prediction overview.
Best surface: Soon-Woo Kwon has their best career surface win % on I.hard, winning 64% (W/L 43/24), and worse career win % on Clay, winning 39% (W/L 15/23). Jumpei Yamasaki has their best career surface win % on I.hard, winning 64% (W/L 18/12), and worse career win % on Clay, winning 55% (W/L 31/25).
Player level: In the last year, Soon-Woo Kwon has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 88.89% of matches (W/L 24/3), where as Jumpei Yamasaki has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 63.27% of matches (W/L 31/18). When comparing stats between players to predict the favorite, it is of course all relative to the event level they have been playing at.
Direct H2H matches: They have played 2 times before with Soon-Woo Kwon winning 2 times and Jumpei Yamasaki being victorious 0 times. They have played 4 sets in total, with Soon-Woo Kwon winning 4 and Jumpei Yamasaki winning 0.
The last match between Soon-Woo Kwon and Jumpei Yamasaki was at the Korea F3 (Daegu), 22-06-2018, Round: QF, Surface: Hard, with Soon-Woo Kwon getting the victory 6-3 6-1.
Head to head match duration: In past head to head matches, the average match time between these players has been 0:54:38.
Opponent quality stats: Over the last 12 months, Soon-Woo Kwon has played against opponents with an average rank of 415.66 while Jumpei Yamasaki has played against players with an average rank of 146.75.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Soon-Woo Kwon has won 67% of deciding sets over the last 12 months, while Jumpei Yamasaki has won 30% in all matches played on tour.
Break point conversion: In recent form, Soon-Woo Kwon has converted 22.22% of breakpoint opportunities, and Jumpei Yamasaki has converted 27.85% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Soon-Woo Kwon vs Jumpei Yamasaki Editorial Preview By TennisTipster88.

S. Kwon vs J. Yamasaki H2H Stats Used In Our Predictions

S. Kwon	Stats	J. Yamasaki
2	H2H Matches Won	0
4	Sets Won	0
24	Games Won	6
4	Aces (Total)	2
5	Total Double Faults	2
0:54:38	Average Match Time	0:54:38
48% (39/82)	1st Serve %	66% (61/92)
87% (34/39)	1st Serve Win %	52% (32/61)
65% (28/43)	2nd Serve Win %	29% (9/31)
56% (9/16)	Break Pts Won %	0% (0/0)
55% (51/92)	Return Points Win %	24% (20/82)
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

S. Kwon Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Davis Cup, Group I, 1R, KOR-KAZ 3-1 - 08-09-2025
Rubber 2 Alexander BublikA. Bublik	W	7-6(6) 3-0 ret.	Stats
M25 Taipei - 25-08-2025
SF Yanki ErelY. Erel	L	6-4 2-6 6-2	Stats
QF Dane SweenyD. Sweeny	W	7-5 6-0	Stats
R2 Keisuke SaitohK. Saitoh	W	6-2 6-0	Stats
R1 Ethan CookE. Cook	W	6-4 7-6(2)	Stats

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J. Yamasaki Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Yokohama Challenger - 17-11-2025
Q3 Naoki NakagawaN. Nakagawa	W	6-3 6-1	Stats
Q1 Uisung ParkU. Park	W	6-4 ret.	Stats
M25 Takasaki - 15-09-2025
QF Takuya KumasakaT. Kumasaka	L	6-7(6) 6-0 6-3	Stats
R2 Taiyo YamanakaT. Yamanaka	W	6-2 6-3	Stats
R1 Dominik PalanD. Palan	W	6-2 ret.	Stats

View All

S. Kwon vs J. Yamasaki Stats Breakdown Vs All H2H Opponents

S. Kwon	Stats	J. Yamasaki
60.48% (303/198)	YTD Win/Loss	58.04% (267/193)
58.28% (704/504)	Sets Win/Loss	56.19% (581/453)
53.35% (6143/5371)	Games Win/Loss	52.79% (5029/4497)
63.17% (223/130)	Hard Win/Loss	58.40% (212/151)
39.47% (15/23)	Clay Win/Loss	55.36% (31/25)
62.96% (51/30)	Indoor Hard W/L	58.54% (24/17)
48.28% (14/15)	Grass Win/Loss	0% (0/0)
0.36	Aces Per Game	0.22
2023	Aces Total	1018
0.26	Double Faults Per Game	0.1
1444	Total Double Faults	448
1:32:14	Average Match Time	1st Match
477.2	Average Opponent Rank	501.08
58% (19061/32758)	1st Serve %	64% (14556/22677)
70% (13431/19061)	1st Serve Win %	66% (9548/14556)
52% (7178/13693)	2nd Serve Win %	50% (4027/8121)
43% (1456/3398)	Break Points Won % (Total)	44% (1034/2333)
40% (13484/33581)	Return Points Win %	41% (9472/23149)
35.14% (13/24)	Slam W/L	0% (0/0)
31.82% (7/15)	Masters W/L	0% (0/0)
56.52% (13/10)	Cups W/L	0% (0/0)
58.00% (58/42)	Main Tour W/L	0% (0/0)
62.05% (121/74)	Challenger W/L	39.47% (15/23)
73.98% (91/32)	Futures W/L	59.72% (252/170)
62% (287/462)	Best of 3 Sets Win %	57% (256/447)
36% (13/36)	Best of 5 Sets Win %	100% (6/6)
53% (96/181)	Tiebreaks Win % (Total)	52% (56/108)
51% (79/154)	Deciding Set Win %	54% (62/115)
88% (297/260)	1st Set Won, Won Match	88% (261/229)
12% (297/37)	1st Set Won, Lost Match	12% (261/32)
21% (204/43)	1st Set Lost, Won Match	19% (198/37)