Junhyun Lee vs Daisuke Sumizawa Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
J. Lee vs D. Sumizawa

Junhyun Lee

KOR

1

Win

Played

1

Win

Age

Height

5'9" (175 cm)

C. Rank

866

Best Rank

687

Total Titles

YTD Titles

Career Money

Plays

Right-Handed

Daisuke Sumizawa

JPN

1

Win

Played

1

Win

Age

Height

5'9" (175 cm)

C. Rank

866

Best Rank

687

Total Titles

YTD Titles

Career Money

Plays

Right-Handed

Head-to-head: Lee 1 - 1 Sumizawa

They have played 5 sets in total, with Junhyun Lee winning 2 and Daisuke Sumizawa winning 3. The last match between Junhyun Lee and Daisuke Sumizawa was at the M15 Nakhon Pathom, 20-08-2025, Round: R1, Surface: Hard, with Junhyun Lee getting the victory 3-6 6-4 6-1.

Players	Head To Head Match Wins
Lee	1
Sumizawa	1

Last 2 H2H Matches:

(R1) M15 Nakhon Pathom(08-20-25)

Stats

Junhyun Lee

Daisuke Sumizawa

(Q2) M15 Maanshan(03-03-25)

Stats

Daisuke Sumizawa

Junhyun Lee

J. Lee vs D. Sumizawa H2H Profile

J. Lee	Stats	D. Sumizawa
$0	Career Prize Money	$0
51.38% (56-53)	Career Total W/L	52.55% (216-195)
1	Hard	0
0	Indoor	1
0	Titles	1
1	Total H2H Matches	1
0% (0-0)	YTD Win/Loss	0% (0-0)

J. Lee vs D. Sumizawa Match Preview:

Second serve performance recent form: In recent form (last 6 months), Junhyun Lee has won 37.98% of points on their second serve, while Daisuke Sumizawa has won 44.00%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Junhyun Lee, in recent form, has won 46.18% of their opponent's second serve points, while Daisuke Sumizawa has won 40.83%. The same stats for first serve returns are 32.51% and 25.68% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Junhyun Lee has saved 46.34% of breakpoints in recent form, whereas Daisuke Sumizawa has saved 46.70% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Junhyun Lee has won 54.76% of matches played (W/L 23/19), with Daisuke Sumizawa winning 58.18% (W/L 32/23) that gives us an overall head-to head prediction overview.
Best surface: Junhyun Lee has their best career surface win % on Hard, winning 55% (W/L 48/39), and worse career win % on I.hard, winning 20% (W/L 1/4). Daisuke Sumizawa has their best career surface win % on I.hard, winning 55% (W/L 10/7), and worse career win % on Grass, winning 0% (W/L 0/2).
Player level: In the last year, Junhyun Lee has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 54.76% of matches (W/L 23/19), where as Daisuke Sumizawa has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 61.54% of matches (W/L 32/20). 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 Junhyun Lee winning 1 times and Daisuke Sumizawa being victorious 1 times. They have played 5 sets in total, with Junhyun Lee winning 2 and Daisuke Sumizawa winning 3.
The last match between Junhyun Lee and Daisuke Sumizawa was at the M15 Nakhon Pathom, 20-08-2025, Round: R1, Surface: Hard, with Junhyun Lee getting the victory 3-6 6-4 6-1.
Head to head match duration: In past head to head matches, the average match time between these players has been 1:13:27.
Opponent quality stats: Over the last 12 months, Junhyun Lee has played against opponents with an average rank of 315.74 while Daisuke Sumizawa has played against players with an average rank of 369.33.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Junhyun Lee has won 57% of deciding sets over the last 12 months, while Daisuke Sumizawa has won 50% in all matches played on tour.
Break point conversion: In recent form, Junhyun Lee has converted 46.27% of breakpoint opportunities, and Daisuke Sumizawa has converted 31.58% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Junhyun Lee vs Daisuke Sumizawa Editorial Preview By TennisTipster88.

J. Lee vs D. Sumizawa H2H Stats Used In Our Predictions

J. Lee	Stats	D. Sumizawa
1	H2H Matches Won	1
2	Sets Won	3
18	Games Won	23
2	Aces (Total)	1
3	Total Double Faults	3
1:13:27	Average Match Time	1:13:27
57% (55/96)	1st Serve %	64% (46/72)
60% (33/55)	1st Serve Win %	70% (32/46)
59% (24/41)	2nd Serve Win %	27% (7/26)
71% (5/7)	Break Pts Won %	33% (3/9)
46% (33/72)	Return Points Win %	41% (39/96)
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. Lee Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
M15 Gimcheon - 17-11-2025
QF Kuan-Yi LeeK. Lee	L	3-6 6-4 6-4	Stats
R2 Min Ho KoM. Ho	W	7-5 1-6 6-3	Stats
R1 Essa QabazardE. Qabazard	W	6-4 6-1	Stats
M15 Hong Kong - 01-09-2025
R1 Chan-Yeong OhC. Oh	L	7-6(5) 6-0	Stats
M15 Hong Kong - 25-08-2025
R2 Arthur WeberA. Weber	L	6-2 6-1	Stats

View All

D. Sumizawa Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Sydney Challenger - 17-11-2025
Q1 Taiyo YamanakaT. Yamanaka	L	6-3 6-0	Stats
Brisbane 3 Challenger - 10-11-2025
Q1 Takuya KumasakaT. Kumasaka	L	6-4 4-6 6-1	Stats
Taipei Challenger - 03-11-2025
Q1 Takeru YuzukiT. Yuzuki	L	6-4 6-3	Stats
M15 Tanagura - 20-10-2025
R2 Yuta TomidaY. Tomida	L	6-1 6-3	Stats
R1 Seongwoo ChoS. Cho	W	6-2 6-2	Stats

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J. Lee vs D. Sumizawa Stats Breakdown Vs All H2H Opponents

J. Lee	Stats	D. Sumizawa
51.38% (56/53)	YTD Win/Loss	52.55% (216/195)
50.60% (126/123)	Sets Win/Loss	52.26% (486/444)
50.23% (1215/1204)	Games Win/Loss	51.30% (4371/4150)
55.17% (48/39)	Hard Win/Loss	54.64% (159/132)
41.18% (7/10)	Clay Win/Loss	45.74% (43/51)
20.00% (1/4)	Indoor Hard W/L	58.33% (14/10)
0% (0/0)	Grass Win/Loss	0.00% (0/2)
0.05	Aces Per Game	0.16
64	Aces Total	669
0.12	Double Faults Per Game	0.16
141	Total Double Faults	681
1st Match	Average Match Time	1:1:49
206.91	Average Opponent Rank	403.5
62% (2011/3239)	1st Serve %	58% (9144/15894)
62% (1244/2011)	1st Serve Win %	67% (6147/9144)
45% (552/1228)	2nd Serve Win %	48% (3206/6749)
49% (147/300)	Break Points Won % (Total)	44% (658/1486)
41% (1283/3103)	Return Points Win %	39% (6167/15641)
0% (0/0)	Challenger W/L	21.43% (3/11)
51.38% (56/53)	Futures W/L	53.65% (213/184)
51% (55/108)	Best of 3 Sets Win %	52% (211/404)
0% (0/0)	Best of 5 Sets Win %	100% (2/2)
58% (11/19)	Tiebreaks Win % (Total)	45% (40/88)
53% (17/32)	Deciding Set Win %	49% (54/111)
86% (57/49)	1st Set Won, Won Match	85% (215/183)
12% (57/7)	1st Set Won, Lost Match	14% (215/31)
12% (52/6)	1st Set Lost, Won Match	17% (196/33)