Su Jeong Jang vs Haruka Kaji Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
HEAD TO HEAD
S. Jeong Jang vs H. Kaji
Su Jeong Jang
KOR
w
w
l
l
w
w
l
w
w
l
1
Win
2
Played
1
Win
30
Age
31
-
Height
-
621
C. Rank
277
114
Best Rank
213
0
Total Titles
0
0
YTD Titles
0
$356.0K
Career Money
$50.3K
Right-Handed
Plays
-
Haruka Kaji
JPN
l
w
l
w
l
w
l
w
l
l
1
Win
2
Played
1
Win
30
Age
31
-
Height
-
621
C. Rank
277
114
Best Rank
213
0
Total Titles
0
0
YTD Titles
0
$356.0K
Career Money
$50.3K
Right-Handed
Plays
-
Head-to-head: Jang 1 - 1 Kaji
They have played 4 sets in total, with Su Jeong Jang winning 2 and Haruka Kaji winning 2. The last match between Haruka Kaji and Su Jeong Jang was at the W100 Takasaki, 21-11-2024, Round: R1, Surface: Hard, with Haruka Kaji getting the victory 6-3 6-3.
| Players | Head To Head Match Wins |
|---|---|
| Jang | 1 |
| Kaji | 1 |
Last 2 H2H Matches:
(R1) W100 Takasaki(11-21-24)
Haruka Kaji
6
6
Su Jeong Jang
3
3
(QF) W25 Kofu(03-31-23)
Su Jeong Jang
6
6
Haruka Kaji
1
4
S. J. Jang vs H. Kaji H2H Profile
| Stats | ||
|---|---|---|
| $355,985 | Career Prize Money | $50,325 |
| 58.94% (445-310) | Career Total W/L | 55.73% (321-255) |
| 1 | Hard | 1 |
| 13 | Titles | 7 |
| 1 | Total H2H Matches | 1 |
| 0% (0-0) | YTD Win/Loss | 0% (0-0) |
S. J. Jang vs H. Kaji Match Preview:
- Second serve performance recent form: In recent form (last 6 months), Su Jeong Jang has won 39.91% of points on their second serve, while Haruka Kaji has won 37.81%. There is a high correlation between this stat and match prediction accuracy.
- Return game stats recent form: Return stats show Su Jeong Jang, in recent form, has won 51.25% of their opponent's second serve points, while Haruka Kaji has won 52.66%. The same stats for first serve returns are 33.83% and 35.64% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Su Jeong Jang has saved 46.15% of breakpoints in recent form, whereas Haruka Kaji has saved 44.20% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Su Jeong Jang has won 43.75% of matches played (W/L 14/18), with Haruka Kaji winning 50.00% (W/L 32/32) that gives us an overall head-to head prediction overview.
- Best surface: Su Jeong Jang has their best career surface win % on Clay, winning 67% (W/L 78/39), and worse career win % on Grass, winning 56% (W/L 18/14). Haruka Kaji has their best career surface win % on I.hard, winning 67% (W/L 19/15), and worse career win % on Clay, winning 47% (W/L 15/17).
- Player level: In the last year, Su Jeong Jang has played most of their matches on the Challengers/ITF tournaments > $10K, winning 45.16% of matches (W/L 14/17), where as Haruka Kaji has played most of their matches on the Challengers/ITF tournaments > $10K, winning 52.54% of matches (W/L 31/28). 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 Su Jeong Jang winning 1 times and Haruka Kaji being victorious 1 times. They have played 4 sets in total, with Su Jeong Jang winning 2 and Haruka Kaji winning 2.
- The last match between Su Jeong Jang and Haruka Kaji was at the W100 Takasaki, 21-11-2024, Round: R1, Surface: Hard, with Haruka Kaji getting the victory 6-3 6-3.
- Head to head match duration: In past head to head matches, the average match time between these players has been 1:24:0.
- Opponent quality stats: Over the last 12 months, Su Jeong Jang has played against opponents with an average rank of 348.59 while Haruka Kaji has played against players with an average rank of 360.58.
- Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Su Jeong Jang has won 40% of deciding sets over the last 12 months, while Haruka Kaji has won 45% in all matches played on tour.
- Break point conversion: In recent form, Su Jeong Jang has converted 40.00% of breakpoint opportunities, and Haruka Kaji has converted 43.01% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.
Su Jeong Jang vs Haruka Kaji Editorial Preview By TennisTipster88.
S. J. Jang vs H. Kaji H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 1 | H2H Matches Won | 1 |
| 2 | Sets Won | 2 |
| 18 | Games Won | 17 |
| 1 | Aces (Total) | 1 |
| 9 | Total Double Faults | 1 |
| 1:24:0 | Average Match Time | 1:24:0 |
| 68% (62/91) | 1st Serve % | 70% (74/105) |
| 63% (39/62) | 1st Serve Win % | 55% (41/74) |
| 34% (10/29) | 2nd Serve Win % | 48% (15/31) |
| 53% (8/15) | Break Pts Won % | 47% (7/15) |
| 47% (49/105) | Return Points Win % | 46% (42/91) |
| 50% (1/2) | Best‑of‑3 Win % | 50% (1/2) |
| 100% (1/1) | 1st Set Won, Won Match | 100% (1/1) |
| 0% (0/1) | 1st Set Won, Lost Match | 0% (0/1) |
| 0% (0/1) | 1st Set Lost, Won Match | 0% (0/1) |
Recent Performance Stats
2nd Serve Win %: Jang 44%, Kaji 46%.
Opp 2nd Serve Pts Won: Jang 54%, Kaji 57%.
Break Points Saved %: Jang 51%, Kaji 54%.
S. J. Jang Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| W75 Sydney - 17-11-2025 | ||||
R1 Miho KuramochiM. Kuramochi | L | 6-7(5) 6-0 6-1 | ||
Q3  Rianna AlameR. Alame | W | 6-4 6-2 | ||
Q1 Gurmanat Kaur SandhuG. Kaur | W | 7-6(2) 6-3 | ||
| W50 Brisbane - 10-11-2025 | ||||
R1 Tahlia KokkinisT. Kokkinis | L | 6-3 7-6(3) | ||
Q3  Arina VaraksinaA. Varaksina | W | 7-6(5) 6-4 | ||
H. Kaji Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| W100 Takasaki - 17-11-2025 | ||||
R1  Shuai ZhangS. Zhang | L | 6-4 6-3 | ||
| W50 Funchal - 10-11-2025 | ||||
R2  Margaux RouvroyM. Rouvroy | L | 6-3 7-6(2) | ||
R1  Madelief HagemanM. Hageman | W | 6-2 6-1 | ||
| W35 Faro - 03-11-2025 | ||||
R2  Melisa ErcanM. Ercan | L | 6-2 6-4 | ||
R1  Lea NilssonL. Nilsson | W | 7-6(1) 6-1 | ||
S. J. Jang vs H. Kaji Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 58.94% (445/310) | YTD Win/Loss | 55.73% (321/255) |
| 57.09% (994/747) | Sets Win/Loss | 53.22% (695/611) |
| 53.43% (8470/7382) | Games Win/Loss | 50.91% (6013/5798) |
| 57.54% (313/231) | Hard Win/Loss | 55.92% (236/186) |
| 66.67% (78/39) | Clay Win/Loss | 46.88% (15/17) |
| 58.06% (36/26) | Indoor Hard W/L | 58.33% (56/40) |
| 56.25% (18/14) | Grass Win/Loss | 53.85% (14/12) |
| 0.09 | Aces Per Game | 0.08 |
| 658 | Aces Total | 445 |
| 0.19 | Double Faults Per Game | 0.2 |
| 1499 | Total Double Faults | 1171 |
| 1:14:3 | Average Match Time | 1:22:6 |
| 555.05 | Average Opponent Rank | 529.22 |
| 69% (23065/33370) | 1st Serve % | 65% (19698/30409) |
| 61% (14057/23065) | 1st Serve Win % | 59% (11530/19698) |
| 45% (4605/10305) | 2nd Serve Win % | 46% (4912/10712) |
| 49% (2170/4471) | Break Points Won % (Total) | 49% (1903/3875) |
| 47% (16104/34380) | Return Points Win % | 46% (14129/30418) |
| 41.67% (15/21) | Slam W/L | 33.33% (1/2) |
| 50.00% (2/2) | Masters W/L | 0% (0/0) |
| 64.00% (16/9) | Cups W/L | 0% (0/0) |
| 36.54% (19/33) | Main Tour W/L | 14.29% (2/12) |
| 59.77% (315/212) | Challenger W/L | 55.31% (255/206) |
| 70.27% (78/33) | Futures W/L | 64.29% (63/35) |
| 59% (440/748) | Best of 3 Sets Win % | 55% (310/564) |
| 67% (2/3) | Best of 5 Sets Win % | 67% (2/3) |
| 55% (74/135) | Tiebreaks Win % (Total) | 56% (60/108) |
| 54% (125/232) | Deciding Set Win % | 60% (99/164) |
| 88% (417/366) | 1st Set Won, Won Match | 87% (299/259) |
| 12% (417/51) | 1st Set Won, Lost Match | 13% (299/39) |
| 23% (338/78) | 1st Set Lost, Won Match | 20% (275/56) |
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