Jumpei Yamasaki vs Wai Yu Kai Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
J. Yamasaki vs W. Yu Kai

Jumpei Yamasaki

JPN

1

Win

Played

0

Win

Age

5'11" (180 cm)

Height

896

C. Rank

446

Best Rank

Total Titles

YTD Titles

Career Money

Right-Handed

Plays

Wai Yu Kai

HKG

1

Win

Played

0

Win

Age

5'11" (180 cm)

Height

896

C. Rank

446

Best Rank

Total Titles

YTD Titles

Career Money

Right-Handed

Plays

Head-to-head: Yamasaki 1 - 0 Kai

They have played 2 sets in total, with Jumpei Yamasaki winning 2 and Wai Yu Kai winning 0. The last match between Jumpei Yamasaki and Wai Yu Kai was at the M15 Hong Kong, 08-01-2020, Round: R1, Surface: Hard, with Jumpei Yamasaki getting the victory 6-2 6-1.

Players	Head To Head Match Wins
Yamasaki	1
Kai	0

Last 1 H2H Matches:

(R1) M15 Hong Kong(01-08-20)

Stats

Jumpei Yamasaki

Wai Yu Kai

J. Yamasaki vs W. Y. Kai H2H Profile

J. Yamasaki	Stats	W. Y. Kai
$0	Career Prize Money	$0
57.86% (265-193)	Career Total W/L	33.93% (19-37)
1	Hard	0
3	Titles	0
1	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0% (0-0)

J. Yamasaki vs W. Y. Kai Match Preview:

Second serve performance recent form: In recent form (last 6 months), Jumpei Yamasaki has won 43.25% of points on their second serve, while Wai Yu Kai has won 0%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Jumpei Yamasaki, in recent form, has won 48.78% of their opponent's second serve points, while Wai Yu Kai has won 0%. The same stats for first serve returns are 26.42% and 0% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Jumpei Yamasaki has saved 47.71% of breakpoints in recent form, whereas Wai Yu Kai has saved 0% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Jumpei Yamasaki has won 63.27% of matches played (W/L 31/18), with Wai Yu Kai winning 0% (W/L 0/0) that gives us an overall head-to head prediction overview.
Best surface: Jumpei Yamasaki has their best career surface win % on I.hard, winning 60% (W/L 18/12), and worse career win % on Clay, winning 55% (W/L 31/25). Wai Yu Kai has their best career surface win % on Hard, winning 60% (W/L 18/33), and worse career win % on I.hard, winning 0% (W/L 0/1).
Player level: In the last year, Jumpei Yamasaki has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 63.27% of matches (W/L 31/18), where as Wai Yu Kai 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 1 times before with Jumpei Yamasaki winning 1 times and Wai Yu Kai being victorious 0 times. They have played 2 sets in total, with Jumpei Yamasaki winning 2 and Wai Yu Kai winning 0.
The last match between Jumpei Yamasaki and Wai Yu Kai was at the M15 Hong Kong, 08-01-2020, Round: R1, Surface: Hard, with Jumpei Yamasaki getting the victory 6-2 6-1.
Head to head match duration: In past head to head matches, the average match time between these players has been 1:22:0.
Opponent quality stats: Over the last 12 months, Jumpei Yamasaki has played against opponents with an average rank of 402.55 while Wai Yu Kai 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, Jumpei Yamasaki has won 30% of deciding sets over the last 12 months, while Wai Yu Kai has won 0% in all matches played on tour.
Break point conversion: In recent form, Jumpei Yamasaki has converted 29.55% of breakpoint opportunities, and Wai Yu Kai 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.

Jumpei Yamasaki vs Wai Yu Kai Editorial Preview By TennisTipster88.

J. Yamasaki vs W. Y. Kai H2H Stats Used In Our Predictions

J. Yamasaki	Stats	W. Y. Kai
1	H2H Matches Won	0
2	Sets Won	0
12	Games Won	3
3	Aces (Total)	0
0	Total Double Faults	1
1:22:0	Average Match Time	1:22:0
58% (29/50)	1st Serve %	76% (41/54)
90% (26/29)	1st Serve Win %	39% (16/41)
29% (6/21)	2nd Serve Win %	54% (7/13)
60% (6/10)	Break Pts Won %	25% (1/4)
57% (31/54)	Return Points Win %	36% (18/50)
100% (1/1)	Best‑of‑3 Win %	0% (0/1)
100% (1/1)	1st Set Won, Won Match	0% (0/0)
0% (0/1)	1st Set Won, Lost Match	0% (0/0)
0% (0/0)	1st Set Lost, Won Match	0% (0/1)

Recent Performance Stats

J. Yamasaki Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
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
Q3 Jonathan MridhaJ. Mridha	W	7-5 7-6(6)	Stats
Q1 Ko SuzukiK. Suzuki	W	6-4 6-2	Stats

View All

W. Y. Kai Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
M15 Tianjin - 24-06-2024
Q1 Zijiang YangZ. Yang	L	4-0 ret.	Stats
M25 Luan - 13-05-2024
Q1 Qiulin WangQ. Wang	L	3-1 ret.	Stats
M25 Guiyang - 18-09-2023
Q2 Qiulin WangQ. Wang	L	7-5 2-6 11-9	Stats
M25 Hong Kong - 04-09-2023
Q1 Weitao XuW. Xu	L	5-2 ret.	Stats
M25 Hong Kong - 28-08-2023
Q1 Blake MottB. Mott	L	6-2 6-3	Stats

View All

J. Yamasaki vs W. Y. Kai Stats Breakdown Vs All H2H Opponents

J. Yamasaki	Stats	W. Y. Kai
57.86% (265/193)	YTD Win/Loss	33.93% (19/37)
56.06% (578/453)	Sets Win/Loss	37.50% (45/75)
52.75% (5011/4489)	Games Win/Loss	45.12% (485/590)
58.17% (210/151)	Hard Win/Loss	35.29% (18/33)
55.36% (31/25)	Clay Win/Loss	25.00% (1/3)
58.54% (24/17)	Indoor Hard W/L	0.00% (0/1)
0.22	Aces Per Game	0.01
1012	Aces Total	5
0.1	Double Faults Per Game	0.12
447	Total Double Faults	65
1:21:7	Average Match Time	1st Match
501.7	Average Opponent Rank	283.3
64% (14499/22594)	1st Serve %	71% (1180/1652)
66% (9502/14499)	1st Serve Win %	57% (668/1180)
50% (4014/8095)	2nd Serve Win %	48% (227/472)
44% (1029/2323)	Break Points Won % (Total)	46% (81/175)
41% (9439/23073)	Return Points Win %	42% (674/1610)
0% (0/0)	Cups W/L	0.00% (0/2)
36.11% (13/23)	Challenger W/L	0% (0/0)
59.72% (252/170)	Futures W/L	35.19% (19/35)
57% (255/446)	Best of 3 Sets Win %	36% (19/53)
100% (6/6)	Best of 5 Sets Win %	0% (0/0)
52% (56/108)	Tiebreaks Win % (Total)	20% (1/5)
54% (62/115)	Deciding Set Win %	36% (4/11)
88% (259/227)	1st Set Won, Won Match	81% (21/17)
12% (259/32)	1st Set Won, Lost Match	19% (21/4)
19% (198/37)	1st Set Lost, Won Match	6% (35/2)