Daisuke Sumizawa vs Yunseok Jang Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
HEAD TO HEAD
D. Sumizawa vs Y. Jang
Daisuke Sumizawa
JPN
l
w
l
w
l
w
l
l
l
l
1
Win
1
Played
0
Win
26
Age
22
5'9" (175 cm)
Height
-
857
C. Rank
876
687
Best Rank
755
0
Total Titles
0
0
YTD Titles
0
$0
Career Money
$0
Right-Handed
Plays
-
Yunseok Jang
KOR
l
l
w
l
w
l
w
l
w
l
1
Win
1
Played
0
Win
26
Age
22
5'9" (175 cm)
Height
-
857
C. Rank
876
687
Best Rank
755
0
Total Titles
0
0
YTD Titles
0
$0
Career Money
$0
Right-Handed
Plays
-
Head-to-head: Sumizawa 1 - 0 Jang
They have played 2 sets in total, with Daisuke Sumizawa winning 2 and Yunseok Jang winning 0. The last match between Daisuke Sumizawa and Yunseok Jang was at the M25 Sapporo, 13-09-2023, Round: R1, Surface: Hard, with Daisuke Sumizawa getting the victory 6-3 6-4.
| Players | Head To Head Match Wins |
|---|---|
| Sumizawa | 1 |
| Jang | 0 |
Last 1 H2H Matches:
(R1) M25 Sapporo(09-13-23)
Daisuke Sumizawa
6
6
Yunseok Jang
3
4
D. Sumizawa vs Y. Jang H2H Profile
| Stats | ||
|---|---|---|
| $0 | Career Prize Money | $0 |
| 52.55% (216-195) | Career Total W/L | 54.22% (90-76) |
| 1 | Hard | 0 |
| 1 | Titles | 0 |
| 1 | Total H2H Matches | 0 |
| 0% (0-0) | YTD Win/Loss | 0% (0-0) |
D. Sumizawa vs Y. Jang Match Preview:
- Second serve performance recent form: In recent form (last 6 months), Daisuke Sumizawa has won 44.29% of points on their second serve, while Yunseok Jang has won 40.46%. There is a high correlation between this stat and match prediction accuracy.
- Return game stats recent form: Return stats show Daisuke Sumizawa, in recent form, has won 42.73% of their opponent's second serve points, while Yunseok Jang has won 47.79%. The same stats for first serve returns are 26.09% and 29.30% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Daisuke Sumizawa has saved 45.78% of breakpoints in recent form, whereas Yunseok Jang has saved 36.96% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Daisuke Sumizawa has won 57.89% of matches played (W/L 33/24), with Yunseok Jang winning 57.14% (W/L 24/18) that gives us an overall head-to head prediction overview.
- Best surface: Daisuke Sumizawa has their best career surface win % on I.hard, winning 59% (W/L 10/7), and worse career win % on Grass, winning 0% (W/L 0/2). Yunseok Jang has their best career surface win % on Hard, winning 59% (W/L 78/64), and worse career win % on Clay, winning 33% (W/L 1/2).
- Player level: In the last year, Daisuke Sumizawa has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 61.11% of matches (W/L 33/21), where as Yunseok Jang has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 57.14% of matches (W/L 24/18). 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 1 times before with Daisuke Sumizawa winning 1 times and Yunseok Jang being victorious 0 times. They have played 2 sets in total, with Daisuke Sumizawa winning 2 and Yunseok Jang winning 0.
- The last match between Daisuke Sumizawa and Yunseok Jang was at the M25 Sapporo, 13-09-2023, Round: R1, Surface: Hard, with Daisuke Sumizawa getting the victory 6-3 6-4.
- Head to head match duration: In past head to head matches, the average match time between these players has been 1:42:0.
- Opponent quality stats: Over the last 12 months, Daisuke Sumizawa has played against opponents with an average rank of 369.26 while Yunseok Jang has played against players with an average rank of 268.31.
- Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Daisuke Sumizawa has won 50% of deciding sets over the last 12 months, while Yunseok Jang has won 29% in all matches played on tour.
- Break point conversion: In recent form, Daisuke Sumizawa has converted 34.82% of breakpoint opportunities, and Yunseok Jang has converted 19.44% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.
Daisuke Sumizawa vs Yunseok Jang Editorial Preview By TennisTipster88.
D. Sumizawa vs Y. Jang H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 1 | H2H Matches Won | 0 |
| 2 | Sets Won | 0 |
| 12 | Games Won | 7 |
| 0 | Aces (Total) | 2 |
| 1 | Total Double Faults | 1 |
| 1:42:0 | Average Match Time | 1:42:0 |
| 41% (26/64) | 1st Serve % | 64% (41/64) |
| 77% (20/26) | 1st Serve Win % | 63% (26/41) |
| 61% (23/38) | 2nd Serve Win % | 43% (10/23) |
| 43% (3/7) | Break Pts Won % | 50% (1/2) |
| 44% (28/64) | Return Points Win % | 33% (21/64) |
| 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
2nd Serve Win %: Sumizawa 49%, Jang 49%.
Opp 2nd Serve Pts Won: Sumizawa 48%, Jang 56%.
Break Points Saved %: Sumizawa 54%, Jang 57%.
D. Sumizawa Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| Sydney Challenger - 17-11-2025 | ||||
Q1 Taiyo YamanakaT. Yamanaka | L | 6-3 6-0 | ||
| Brisbane 3 Challenger - 10-11-2025 | ||||
Q1 Takuya KumasakaT. Kumasaka | L | 6-4 4-6 6-1 | ||
 Taipei Challenger - 03-11-2025 | ||||
Q1 Takeru YuzukiT. Yuzuki | L | 6-4 6-3 | ||
| M15 Tanagura - 20-10-2025 | ||||
R2 Yuta TomidaY. Tomida | L | 6-1 6-3 | ||
R1 Sung Woo ChoS. Woo | W | 6-2 6-2 | ||
Y. Jang Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| M15 Gimcheon - 17-11-2025 | ||||
R2 Keisuke SaitohK. Saitoh | L | 6-1 6-2 | ||
R1 Tae Woo KimT. Woo | W | 6-0 6-0 | ||
| M15 Maanshan - 25-08-2025 | ||||
R2  Vishnu VardhanV. Vardhan | L | 6-3 7-5 | ||
R1  Linghao ZhangL. Zhang | W | 6-4 6-1 | ||
| M15 Maanshan - 18-08-2025 | ||||
R2  Maxim ZhukovM. Zhukov | L | 6-4 7-6(8) | ||
D. Sumizawa vs Y. Jang Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 52.55% (216/195) | YTD Win/Loss | 54.22% (90/76) |
| 52.26% (486/444) | Sets Win/Loss | 54.18% (201/170) |
| 51.30% (4371/4150) | Games Win/Loss | 52.17% (1758/1612) |
| 54.64% (159/132) | Hard Win/Loss | 54.93% (78/64) |
| 45.74% (43/51) | Clay Win/Loss | 33.33% (1/2) |
| 58.33% (14/10) | Indoor Hard W/L | 52.38% (11/10) |
| 0.00% (0/2) | Grass Win/Loss | 0% (0/0) |
| 0.16 | Aces Per Game | 0.1 |
| 669 | Aces Total | 156 |
| 0.16 | Double Faults Per Game | 0.16 |
| 681 | Total Double Faults | 258 |
| 1:1:49 | Average Match Time | 1:2:42 |
| 402.71 | Average Opponent Rank | 330.71 |
| 58% (9144/15894) | 1st Serve % | 65% (4518/6929) |
| 67% (6147/9144) | 1st Serve Win % | 62% (2811/4518) |
| 48% (3206/6749) | 2nd Serve Win % | 49% (1178/2411) |
| 44% (658/1486) | Break Points Won % (Total) | 46% (336/733) |
| 39% (6167/15641) | Return Points Win % | 42% (2938/7049) |
| 21.43% (3/11) | Challenger W/L | 0.00% (0/2) |
| 53.65% (213/184) | Futures W/L | 54.88% (90/74) |
| 52% (211/404) | Best of 3 Sets Win % | 55% (88/159) |
| 100% (2/2) | Best of 5 Sets Win % | 0% (0/2) |
| 45% (40/88) | Tiebreaks Win % (Total) | 53% (8/15) |
| 49% (54/111) | Deciding Set Win % | 51% (22/43) |
| 85% (215/183) | 1st Set Won, Won Match | 87% (93/81) |
| 14% (215/31) | 1st Set Won, Lost Match | 13% (93/12) |
| 17% (196/33) | 1st Set Lost, Won Match | 13% (72/9) |
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