Haruka Kaji vs Honori Koyama Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
HEAD TO HEAD
H. Kaji vs H. Koyama
Haruka Kaji
JPN
l
w
l
w
l
w
l
w
l
l
1
Win
1
Played
0
Win
31
Age
19
-
Height
-
277
C. Rank
0
213
Best Rank
0
0
Total Titles
0
0
YTD Titles
0
$50.3K
Career Money
$0
-
Plays
-
Honori Koyama
JPN
l
l
w
w
w
l
l
w
l
w
1
Win
1
Played
0
Win
31
Age
19
-
Height
-
277
C. Rank
0
213
Best Rank
0
0
Total Titles
0
0
YTD Titles
0
$50.3K
Career Money
$0
-
Plays
-
Head-to-head: Kaji 1 - 0 Koyama
They have played 2 sets in total, with Haruka Kaji winning 2 and Honori Koyama winning 0. The last match between Haruka Kaji and Honori Koyama was at the W25 Makinohara, 04-10-2023, Round: R1, Surface: Carpet, with Haruka Kaji getting the victory 6-1 6-1.
| Players | Head To Head Match Wins |
|---|---|
| Kaji | 1 |
| Koyama | 0 |
Last 1 H2H Matches:
(R1) W25 Makinohara(10-04-23)
Haruka Kaji
6
6
Honori Koyama
1
1
H. Kaji vs H. Koyama H2H Profile
H. Kaji vs H. Koyama Match Preview:
- Second serve performance recent form: In recent form (last 6 months), Haruka Kaji has won 37.81% of points on their second serve, while Honori Koyama has won 37.34%. There is a high correlation between this stat and match prediction accuracy.
- Return game stats recent form: Return stats show Haruka Kaji, in recent form, has won 52.66% of their opponent's second serve points, while Honori Koyama has won 53.62%. The same stats for first serve returns are 35.64% and 34.28% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Haruka Kaji has saved 44.20% of breakpoints in recent form, whereas Honori Koyama has saved 46.62% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Haruka Kaji has won 50.75% of matches played (W/L 34/33), with Honori Koyama winning 53.85% (W/L 21/18) that gives us an overall head-to head prediction overview.
- Best surface: Haruka Kaji has their best career surface win % on I.hard, winning 56% (W/L 19/15), and worse career win % on Clay, winning 47% (W/L 15/17). Honori Koyama has their best career surface win % on Hard, winning 56% (W/L 43/41), and worse career win % on I.hard, winning 0% (W/L 0/1).
- Player level: In the last year, Haruka Kaji has played most of their matches on the Challengers/ITF tournaments > $10K, winning 53.23% of matches (W/L 33/29), where as Honori Koyama has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 54.05% of matches (W/L 20/17). 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 Haruka Kaji winning 1 times and Honori Koyama being victorious 0 times. They have played 2 sets in total, with Haruka Kaji winning 2 and Honori Koyama winning 0.
- The last match between Haruka Kaji and Honori Koyama was at the W25 Makinohara, 04-10-2023, Round: R1, Surface: Carpet, with Haruka Kaji getting the victory 6-1 6-1.
- Head to head match duration: In past head to head matches, the average match time between these players has been 1:0:0.
- Opponent quality stats: Over the last 12 months, Haruka Kaji has played against opponents with an average rank of 363.72 while Honori Koyama has played against players with an average rank of 183.56.
- Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Haruka Kaji has won 45% of deciding sets over the last 12 months, while Honori Koyama has won 64% in all matches played on tour.
- Break point conversion: In recent form, Haruka Kaji has converted 43.01% of breakpoint opportunities, and Honori Koyama has converted 33.62% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.
Haruka Kaji vs Honori Koyama Editorial Preview By TennisTipster88.
H. Kaji vs H. Koyama H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 1 | H2H Matches Won | 0 |
| 2 | Sets Won | 0 |
| 12 | Games Won | 2 |
| 4 | Aces (Total) | 0 |
| 1 | Total Double Faults | 2 |
| 1:0:0 | Average Match Time | 1:0:0 |
| 59% (23/39) | 1st Serve % | 67% (26/39) |
| 78% (18/23) | 1st Serve Win % | 27% (7/26) |
| 44% (7/16) | 2nd Serve Win % | 15% (2/13) |
| 88% (7/8) | Break Pts Won % | 50% (2/4) |
| 77% (30/39) | Return Points Win % | 36% (14/39) |
| 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 %: Kaji 46%, Koyama 39%.
Opp 2nd Serve Pts Won: Kaji 57%, Koyama 56%.
Break Points Saved %: Kaji 54%, Koyama 56%.
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 | ||
H. Koyama Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| W15 Phan Thiet - 17-11-2025 | ||||
R1  Maria MikhailovaM. Mikhailova | W | 6-3 6-4 | ||
| W15 Phan Thiet - 10-11-2025 | ||||
R2 Anri NagataA. Nagata | L | 7-6(5) 6-0 | ||
R1  Kallista LiuK. Liu | W | 6-3 6-3 | ||
| W15 Yeongwol - 08-09-2025 | ||||
Q1  Han Gyeol JeongH. Gyeol | L | 2-6 6-2 10-6 | ||
| W15 Yeongwol - 01-09-2025 | ||||
R1 Hwiwon WiH. Wi | L | 6-2 6-1 | ||
H. Kaji vs H. Koyama Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 55.73% (321/255) | YTD Win/Loss | 50.00% (45/45) |
| 53.22% (695/611) | Sets Win/Loss | 48.76% (98/103) |
| 50.91% (6013/5798) | Games Win/Loss | 49.42% (933/955) |
| 55.92% (236/186) | Hard Win/Loss | 51.19% (43/41) |
| 46.88% (15/17) | Clay Win/Loss | 0% (0/0) |
| 58.33% (56/40) | Indoor Hard W/L | 40.00% (2/3) |
| 53.85% (14/12) | Grass Win/Loss | 0.00% (0/1) |
| 0.08 | Aces Per Game | 0.04 |
| 445 | Aces Total | 35 |
| 0.2 | Double Faults Per Game | 0.17 |
| 1171 | Total Double Faults | 159 |
| 1:22:6 | Average Match Time | 1st Match |
| 529.22 | Average Opponent Rank | 189.09 |
| 65% (19698/30409) | 1st Serve % | 68% (1718/2542) |
| 59% (11530/19698) | 1st Serve Win % | 56% (963/1718) |
| 46% (4912/10712) | 2nd Serve Win % | 38% (317/824) |
| 49% (1903/3875) | Break Points Won % (Total) | 45% (136/302) |
| 46% (14129/30418) | Return Points Win % | 44% (1117/2549) |
| 33.33% (1/2) | Slam W/L | 0% (0/0) |
| 14.29% (2/12) | Main Tour W/L | 0.00% (0/1) |
| 55.31% (255/206) | Challenger W/L | 40.00% (4/6) |
| 64.29% (63/35) | Futures W/L | 51.90% (41/38) |
| 55% (310/564) | Best of 3 Sets Win % | 50% (45/90) |
| 67% (2/3) | Best of 5 Sets Win % | 0% (0/0) |
| 56% (60/108) | Tiebreaks Win % (Total) | 25% (3/12) |
| 60% (99/164) | Deciding Set Win % | 62% (13/21) |
| 87% (299/259) | 1st Set Won, Won Match | 92% (39/36) |
| 13% (299/39) | 1st Set Won, Lost Match | 8% (39/3) |
| 20% (275/56) | 1st Set Lost, Won Match | 18% (51/9) |
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