Jumpei Yamasaki vs Ku Keon Kang Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
HEAD TO HEAD
J. Yamasaki vs K. Keon Kang
Jumpei Yamasaki
JPN
w
l
w
w
w
w
l
w
w
l
1
Win
1
Played
0
Win
28
Age
28
5'11" (180 cm)
Height
-
876
C. Rank
0
446
Best Rank
0
0
Total Titles
0
0
YTD Titles
0
$0
Career Money
$0
Right-Handed
Plays
Right-Handed
Ku Keon Kang
KOR
w
w
l
l
l
l
w
w
w
l
1
Win
1
Played
0
Win
28
Age
28
5'11" (180 cm)
Height
-
876
C. Rank
0
446
Best Rank
0
0
Total Titles
0
0
YTD Titles
0
$0
Career Money
$0
Right-Handed
Plays
Right-Handed
Head-to-head: Yamasaki 1 - 0 Kang
They have played 2 sets in total, with Jumpei Yamasaki winning 2 and Ku Keon Kang winning 0. The last match between Jumpei Yamasaki and Ku Keon Kang was at the Japan F6, 08-06-2015, Round: R1, Surface: Hard, with Jumpei Yamasaki getting the victory 6-4 7-6(4).
| Players | Head To Head Match Wins |
|---|---|
| Yamasaki | 1 |
| Kang | 0 |
Last 1 H2H Matches:
(R1) Japan F6(06-08-15)
Jumpei Yamasaki
6
7
Ku Keon Kang
4
6
J. Yamasaki vs K. K. Kang H2H Profile
| Stats | ||
|---|---|---|
| $0 | Career Prize Money | $0 |
| 57.92% (267-194) | Career Total W/L | 57.69% (90-66) |
| 1 | Hard | 0 |
| 3 | Titles | 0 |
| 1 | Total H2H Matches | 0 |
| 0% (0-0) | YTD Win/Loss | 0% (0-0) |
J. Yamasaki vs K. K. Kang Match Preview:
- Second serve performance recent form: In recent form (last 6 months), Jumpei Yamasaki has won 41.53% of points on their second serve, while Ku Keon Kang has won 35.71%. There is a high correlation between this stat and match prediction accuracy.
- Return game stats recent form: Return stats show Jumpei Yamasaki, in recent form, has won 49.45% of their opponent's second serve points, while Ku Keon Kang has won 45.71%. The same stats for first serve returns are 27.39% and 30.95% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Jumpei Yamasaki has saved 48.91% of breakpoints in recent form, whereas Ku Keon Kang has saved 42.86% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Jumpei Yamasaki has won 63.46% of matches played (W/L 33/19), with Ku Keon Kang winning 42.86% (W/L 3/4) that gives us an overall head-to head prediction overview.
- Best surface: Jumpei Yamasaki has their best career surface win % on I.hard, winning 60% (W/L 18/12), and worse career win % on Clay, winning 55% (W/L 31/25). Ku Keon Kang has their best career surface win % on Clay, winning 60% (W/L 20/14), and worse career win % on I.hard, winning 0% (W/L 0/1).
- Player level: In the last year, Jumpei Yamasaki has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 63.27% of matches (W/L 31/18), where as Ku Keon Kang has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 42.86% of matches (W/L 3/4). 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 Jumpei Yamasaki winning 1 times and Ku Keon Kang being victorious 0 times. They have played 2 sets in total, with Jumpei Yamasaki winning 2 and Ku Keon Kang winning 0.
- The last match between Jumpei Yamasaki and Ku Keon Kang was at the Japan F6, 08-06-2015, Round: R1, Surface: Hard, with Jumpei Yamasaki getting the victory 6-4 7-6(4).
- 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, Jumpei Yamasaki has played against opponents with an average rank of 411.69 while Ku Keon Kang has played against players with an average rank of 278.43.
- Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Jumpei Yamasaki has won 30% of deciding sets over the last 12 months, while Ku Keon Kang has won 0% in all matches played on tour.
- Break point conversion: In recent form, Jumpei Yamasaki has converted 29.11% of breakpoint opportunities, and Ku Keon Kang has converted 10.00% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.
Jumpei Yamasaki vs Ku Keon Kang Editorial Preview By TennisTipster88.
J. Yamasaki vs K. K. Kang H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 1 | H2H Matches Won | 0 |
| 2 | Sets Won | 0 |
| 13 | Games Won | 10 |
| 0:0:0 | Average Match Time | 0:0:0 |
| 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 %: Yamasaki 51%, Kang 40%.
Opp 2nd Serve Pts Won: Yamasaki 54%, Kang 52%.
Break Points Saved %: Yamasaki 57%, Kang 44%.
J. Yamasaki Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| Yokohama Challenger - 17-11-2025 | ||||
R1 Yuki MochizukiY. Mochizuki | L | 6-4 7-6(5) | ||
Q3 Naoki NakagawaN. Nakagawa | W | 6-3 6-1 | ||
Q1 Uisung ParkU. Park | W | 6-4 ret. | ||
| M25 Takasaki - 15-09-2025 | ||||
QF Takuya KumasakaT. Kumasaka | L | 6-7(6) 6-0 6-3 | ||
R2 Taiyo YamanakaT. Yamanaka | W | 6-2 6-3 | ||
K. K. Kang Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| M15 Gimcheon - 24-11-2025 | ||||
R1 Sanhui ShinS. Shin | L | 6-1 6-4 | ||
Q2  Bang Shuo YinB. Shuo | W | 6-1 2-0 ret. | ||
Q3  Harry RobertsH. Roberts | W | 6-1 6-1 | ||
Q1 Woong ChoiW. Choi | W | 6-2 6-0 | ||
| M15 Gimcheon - 17-11-2025 | ||||
Q2 Moto OjimaM. Ojima | W | w/o | ||
J. Yamasaki vs K. K. Kang Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 57.92% (267/194) | YTD Win/Loss | 57.69% (90/66) |
| 56.08% (581/455) | Sets Win/Loss | 56.01% (191/150) |
| 52.77% (5039/4510) | Games Win/Loss | 54.87% (1629/1340) |
| 58.24% (212/152) | Hard Win/Loss | 58.33% (70/50) |
| 55.36% (31/25) | Clay Win/Loss | 58.82% (20/14) |
| 58.54% (24/17) | Indoor Hard W/L | 0.00% (0/2) |
| 0.22 | Aces Per Game | 0.02 |
| 1018 | Aces Total | 35 |
| 0.1 | Double Faults Per Game | 0.04 |
| 451 | Total Double Faults | 64 |
| 1:21:6 | Average Match Time | 1st Match |
| 501.09 | Average Opponent Rank | 307.5 |
| 64% (14608/22757) | 1st Serve % | 73% (2159/2940) |
| 66% (9578/14608) | 1st Serve Win % | 60% (1293/2159) |
| 50% (4040/8149) | 2nd Serve Win % | 49% (382/782) |
| 44% (1037/2340) | Break Points Won % (Total) | 50% (150/303) |
| 41% (9507/23232) | Return Points Win % | 43% (1249/2934) |
| 38.46% (15/24) | Challenger W/L | 0.00% (0/3) |
| 59.72% (252/170) | Futures W/L | 58.82% (90/63) |
| 57% (256/448) | Best of 3 Sets Win % | 58% (87/150) |
| 100% (6/6) | Best of 5 Sets Win % | 100% (1/1) |
| 51% (56/109) | Tiebreaks Win % (Total) | 26% (5/19) |
| 54% (62/115) | Deciding Set Win % | 62% (21/34) |
| 88% (261/229) | 1st Set Won, Won Match | 93% (84/78) |
| 12% (261/32) | 1st Set Won, Lost Match | 7% (84/6) |
| 19% (199/37) | 1st Set Lost, Won Match | 17% (72/12) |
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