Prediction of Keisuke Watanuki vs Daisuke Sumizawa Head-to-Head, At

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
K. Watanuki vs D. Sumizawa

Keisuke Watanuki

JPN

1

Win

Played

0

Win

Age

5'6" (168 cm)

Height

5'9" (175 cm)

Ret.

C. Rank

865

Best Rank

687

Total Titles

YTD Titles

Career Money

Right-Handed

Plays

Right-Handed

Daisuke Sumizawa

JPN

1

Win

Played

0

Win

Age

5'6" (168 cm)

Height

5'9" (175 cm)

Ret.

C. Rank

865

Best Rank

687

Total Titles

YTD Titles

Career Money

Right-Handed

Plays

Right-Handed

Head-to-head: Watanuki 1 - 0 Sumizawa

They have played 3 sets in total, with Keisuke Watanuki winning 2 and Daisuke Sumizawa winning 1. The last match between Keisuke Watanuki and Daisuke Sumizawa was at the Japan F8 (Akishima), 11-06-2018, Round: Q3, Surface: Carpet, with Keisuke Watanuki getting the victory 6-4 2-6 6-2.

Players	Head To Head Match Wins
Watanuki	1
Sumizawa	0

Last 1 H2H Matches:

(Q3) Japan F8 (Akishima)(06-11-18)

Stats

Keisuke Watanuki

Daisuke Sumizawa

K. Watanuki vs D. Sumizawa H2H Profile

K. Watanuki	Stats	D. Sumizawa
$0	Career Prize Money	$0
59.59% (87-59)	Career Total W/L	52.55% (216-195)
1	Indoor	0
0	Titles	1
1	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0% (0-0)

K. Watanuki vs D. Sumizawa Match Preview:

Second serve performance recent form: In recent form (last 6 months), Keisuke Watanuki has won 0% of points on their second serve, while Daisuke Sumizawa has won 44.29%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Keisuke Watanuki, in recent form, has won 0% of their opponent's second serve points, while Daisuke Sumizawa has won 42.73%. The same stats for first serve returns are 0% and 26.09% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Keisuke Watanuki has saved 0% of breakpoints in recent form, whereas Daisuke Sumizawa has saved 45.78% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Keisuke Watanuki has won 0% of matches played (W/L 0/0), with Daisuke Sumizawa winning 57.14% (W/L 32/24) that gives us an overall head-to head prediction overview.
Best surface: Keisuke Watanuki has their best career surface win % on Clay, winning 62% (W/L 13/8), and worse career win % on I.hard, winning 50% (W/L 2/2). Daisuke Sumizawa has their best career surface win % on I.hard, winning 62% (W/L 10/7), and worse career win % on Grass, winning 0% (W/L 0/2).
Player level: In the last year, Keisuke Watanuki has played most of their matches on the N/A, winning 0% of matches (W/L 0/0), where as Daisuke Sumizawa has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 60.38% of matches (W/L 32/21). 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 Keisuke Watanuki winning 1 times and Daisuke Sumizawa being victorious 0 times. They have played 3 sets in total, with Keisuke Watanuki winning 2 and Daisuke Sumizawa winning 1.
The last match between Keisuke Watanuki and Daisuke Sumizawa was at the Japan F8 (Akishima), 11-06-2018, Round: Q3, Surface: Carpet, with Keisuke Watanuki getting the victory 6-4 2-6 6-2.
Head to head match duration: In past head to head matches, the average match time between these players has been 0:0:0.
Opponent quality stats: Over the last 12 months, Keisuke Watanuki has played against opponents with an average rank of 0 while Daisuke Sumizawa has played against players with an average rank of 373.13.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Keisuke Watanuki has won 0% 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, Keisuke Watanuki has converted 0% of breakpoint opportunities, and Daisuke Sumizawa has converted 34.82% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Keisuke Watanuki vs Daisuke Sumizawa Editorial Preview By TennisTipster88.

K. Watanuki vs D. Sumizawa H2H Stats Used In Our Predictions

K. Watanuki	Stats	D. Sumizawa
1	H2H Matches Won	0
2	Sets Won	1
14	Games Won	12
0:0:0	Average Match Time	0:0:0
100% (1/1)	Best‑of‑3 Win %	0% (0/1)
100% (1/1)	Deciding Set 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

K. Watanuki Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Japan F8 (Akishima) - 11-06-2018
R2 Sho KatayamaS. Katayama	L	6-2 6-0	Stats
Q3 Daisuke SumizawaD. Sumizawa	W	6-4 2-6 6-2	Stats
R1 Teppei UesugiT. Uesugi	W	6-3 6-3	Stats
Q2 Takuya KureokaT. Kureoka	W	7-6(5) 6-1	Stats
Q1 Jun MizutaJ. Mizuta	W	7-6(3) 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 Sung Woo ChoS. Woo	W	6-2 6-2	Stats

View All

K. Watanuki vs D. Sumizawa Stats Breakdown Vs All H2H Opponents

K. Watanuki	Stats	D. Sumizawa
59.59% (87/59)	YTD Win/Loss	52.55% (216/195)
58.18% (192/138)	Sets Win/Loss	52.26% (486/444)
54.24% (1626/1372)	Games Win/Loss	51.30% (4371/4150)
58.06% (54/39)	Hard Win/Loss	54.64% (159/132)
61.90% (13/8)	Clay Win/Loss	45.74% (43/51)
62.50% (20/12)	Indoor Hard W/L	58.33% (14/10)
0% (0/0)	Grass Win/Loss	0.00% (0/2)
0.07	Aces Per Game	0.16
108	Aces Total	669
0.08	Double Faults Per Game	0.16
122	Total Double Faults	681
1st Match	Average Match Time	1:1:49
359.95	Average Opponent Rank	401.89
56% (1205/2151)	1st Serve %	58% (9144/15894)
67% (813/1205)	1st Serve Win %	67% (6147/9144)
47% (444/946)	2nd Serve Win %	48% (3206/6749)
42% (91/216)	Break Points Won % (Total)	44% (658/1486)
39% (834/2151)	Return Points Win %	39% (6167/15641)
50.00% (8/8)	Challenger W/L	21.43% (3/11)
60.77% (79/51)	Futures W/L	53.65% (213/184)
60% (85/142)	Best of 3 Sets Win %	52% (211/404)
50% (1/2)	Best of 5 Sets Win %	100% (2/2)
51% (19/37)	Tiebreaks Win % (Total)	45% (40/88)
55% (21/38)	Deciding Set Win %	49% (54/111)
92% (83/76)	1st Set Won, Won Match	85% (215/183)
8% (83/7)	1st Set Won, Lost Match	14% (215/31)
19% (63/12)	1st Set Lost, Won Match	17% (196/33)