Jangjun Kim vs Jumpei YamasakiPrediction, Head-to-Head Results, and Stats
Jangjun Kim and Jumpei Yamasaki have met 1 time since 2026; Jangjun Kim leads 1–0. Across all meetings Kim has taken 2 sets to Yamasaki's 0. Their most recent meeting: Jangjun Kim won at M15 Tokyo (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Kim | Yamasaki | ||
|---|---|---|---|---|
| Indicator | Jangjun Kim | Jumpei Yamasaki | ||
| Wins in straight sets | 89% | 16/18 | 63% | 10/16 |
| Wins a set when losing | 25% | 2/8 | 21% | 3/14 |
| Goes to a deciding set | 15% | 4/26 | 30% | 9/30 |
| Covers −1.5 sets as favorite | 77% | 10/13 | 45% | 5/11 |
| Covers +1.5 sets as underdog | 60% | 3/5 | 38% | 5/13 |
| Tiebreak sets won | 33% | 1/3 | 40% | 4/10 |
| Wins after taking set 1 | 89% | 17/19 | 93% | 13/14 |
| Wins 2-0 after taking set 1 | 84% | 16/19 | 71% | 10/14 |
Colored rows are higher-is-better: green above 50%, red below. Favorite/underdog set by book odds; cover rows count only matches with odds on record. Head-to-head: 1 of 1 completed meetings ended in straight sets (Kim 1, Yamasaki 0).
Style Matchup
Playing styles and historical archetype record
Kim
💥 Big Hitter
Yamasaki
💥 Big Hitter
Matchup analysis
Both Jangjun Kim and Jumpei Yamasaki are 💥 Big Hitter types. Mirror matchups usually come down to execution, fitness, and surface fit, across 4,120 matches in our dataset the historical split is about even.
Previous meetings
1 career meeting, newest first
Jun 12, 2026
M15 Tokyo
H Hard · Quarterfinals
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Kim | Yamasaki |
|---|---|---|
| W-L | 1–1 | 0–2 |
| Avg odds | 1.27 | 5.40 |
| ROI % | -45.0% | -100.0% |
| Units P/L | -0.90u | -2.00u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Common opponents
Results vs. opponents both players faced · Last 12 months
Kim has a higher win rate against shared opponents (60% vs Yamasaki's 40%).
| Opponent | Kim | Yamasaki |
|---|---|---|
| Taisei Ichikawa | W 46 64 61 | L |
| Kosuke Shibano | W 63 61 | W 36 61 61 |
| Masamichi Imamura | L 26 26 | L 06 46 |
| Hikaru Shiraishi | W 64 46 62 | L 36 76 57 |
| Naoki Tajima | L 36 36 | W 62 61 |
Recent Form
Last five matches per player
Fitriadi M Rifqi
M15 Wuning · Semifinals
Jul 18
Wishaya Trongcharoenchaikul
M15 Wuning · Quarterfinals
Jul 17
Chun-Chien Hou
M15 Wuning · 2nd Round
Jul 16
Fanming Meng
M15 Wuning · 1st Round
Jul 15
Hoyoung Roh
M15 Wuning · 1st Round
Jul 8
Kosuke Shibano
M15 Wuning · 3rd Round Qualifying
Jul 7
Yua Taka
M15 Wuning · 2nd Round Qualifying
Jul 6
Takumi Katsuda
M15 Wuning · 1st Round Qualifying
Jul 5
Martin Borisiouk
Wuning 3 Challenger · 1st Round Qualifying
Oct 4
Max Purcell
M15 Luan · 1st Round
Sep 29
Taisei Ichikawa
M15 Bali · 1st Round
Jul 21
Jangjun Kim
M15 Tokyo · Quarterfinals
Jun 12
Hayden Jones
M15 Tokyo · 2nd Round
Jun 11
Colin Sinclair
M15 Tokyo · 1st Round
Jun 10
Asahi Harazaki
M15 Tokyo · 3rd Round Qualifying
Jun 8
Natsuki Yamamoto
M15 Tokyo · 1st Round Qualifying
Jun 7
Win rate
Matches, sets and games won · Last 12 months · 26–30 matches
| Metric | Kim | Yamasaki |
|---|---|---|
| Matches won | 69% | 53% |
| Sets won | 68% | 51% |
| Games won | 57% | 52% |
Record by tier
Head-to-head record by tournament tier
| Stage | Kim | Yamasaki |
|---|---|---|
| ITF M15 | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Kim | Yamasaki |
|---|---|---|
| Hard | 1 | 0 |
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