Ena Koike vs Mei YamaguchiPrediction, Head-to-Head Results, and Stats
Ena Koike and Mei Yamaguchi have met 1 time since 2026; Ena Koike leads 1–0. Across all meetings Koike has taken 2 sets to Yamaguchi's 0. Their most recent meeting: Ena Koike won at W100 Cary (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Koike | Yamaguchi | ||
|---|---|---|---|---|
| Indicator | Ena Koike | Mei Yamaguchi | ||
| Wins in straight sets | 79% | 22/28 | 58% | 14/24 |
| Wins a set when losing | 29% | 6/21 | 28% | 7/25 |
| Goes to a deciding set | 24% | 12/49 | 35% | 17/49 |
| Covers −1.5 sets as favorite | 57% | 17/30 | 42% | 11/26 |
| Covers +1.5 sets as underdog | 44% | 8/18 | 48% | 10/21 |
| Tiebreak sets won | 38% | 3/8 | 43% | 3/7 |
| Wins after taking set 1 | 89% | 25/28 | 85% | 17/20 |
| Wins 2-0 after taking set 1 | 79% | 22/28 | 70% | 14/20 |
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 (Koike 1, Yamaguchi 0).
Style Matchup
Playing styles and historical archetype record
Koike
💥 Big Hitter
Yamaguchi
🏹 Frontrunner
Matchup analysis
💥 Big Hitter vs 🏹 Frontrunner is historically tight (52% vs 48%, 1,181 matches). Neither style has a clear edge, so form, surface, and the head-to-head matter most.
Previous meetings
1 career meeting, newest first
Jul 2, 2026
W100 Cary
H Hard · 2nd Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Koike | Yamaguchi | ||
|---|---|---|---|---|
| Outcome | Ena Koike | Mei Yamaguchi | ||
| 1 or more | 67% | 8/12 | 56% | 5/9 |
| 3 or more | 42% | 5/12 | 11% | 1/9 |
| 5 or more | 17% | 2/12 | 0% | 0/9 |
| 10 or more | 0% | 0/12 | 0% | 0/9 |
| 15 or more | 0% | 0/12 | 0% | 0/9 |
| 20 or more | 0% | 0/12 | 0% | 0/9 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Koike | Yamaguchi |
|---|---|---|
| W-L | 8–6 | 4–5 |
| Avg odds | 2.14 | 2.58 |
| ROI % | -23.4% | -26.4% |
| Units P/L | -3.28u | -2.38u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Koike | Yamaguchi |
|---|---|---|
| Countries | 1 | — |
| Events | 1 | — |
| Matches | 1 | — |
| Distance | 0 mi · 0 km | — |
| Route | ESP | — |
Host country from the tournament each match was played in, over the last 30 days. Route is the order of countries visited; consecutive stops in the same country are shown once. Distance is the great-circle total between host cities, shown only when every stop in the window is geocoded. A rough fatigue signal, not a headline stat.
Common opponents
Results vs. opponents both players faced · Last 12 months
Koike has a higher win rate against shared opponents (50% vs Yamaguchi's 33%).
| Opponent | Koike | Yamaguchi |
|---|---|---|
| Whitney Osuigwe | L 64 26 26 | W 62 76 |
| Erika Sema | W 63 36 75 | W 63 76 |
| Hayu Kinoshita | L 16 67 | L 46 16 |
| Ayano Shimizu | W 63 61 | L 46 62 36 |
| Emerson Jones | L 46 46 | L 46 26 |
| Gabriella Da Silva Fick | W 36 64 60 | L 36 36 |
Recent Form
Last five matches per player
Xiyu Wang
Philly Open - Philadelphia · 1st Round
Aug 23
Kylie Collins
W75 Lexington · 1st Round
Jul 28
Sakura Hosogi
W75 Granby · Quarterfinals
Jul 17
Miho Kuramochi
W75 Granby · 2nd Round
Jul 16
Isabella Marton
W75 Granby · 1st Round
Jul 14
Savannah Broadus
W100 Cary · Semifinals
Jul 4
Tatum Evans
W100 Cary · Quarterfinals
Jul 3
Mei Yamaguchi
W100 Cary · 2nd Round
Jul 2
Rebecca Marino
W75 Granby · 1st Round
Jul 15
Greet Minnen
Hall of Fame Open - Newport · 1st Round
Jul 9
Ena Koike
W100 Cary · 2nd Round
Jul 2
Whitney Osuigwe
W100 Cary · 1st Round
Jun 30
Zongyu Li
W100 Wuning · Quarterfinals
Jun 12
Juliet Jia Wen Zhang
Wuning 4 ITF · Round of 16
Jun 11
Junhan Zhang
W100 Wuning · 2nd Round
Jun 11
Eunhye Lee
W100 Wuning · 1st Round
Jun 9
Win rate
Matches, sets and games won · Last 12 months · 49–50 matches
| Metric | Koike | Yamaguchi |
|---|---|---|
| Matches won | 58% | 49% |
| Sets won | 56% | 48% |
| Games won | 53% | 50% |
Record by tier
Head-to-head record by tournament tier
| Stage | Koike | Yamaguchi |
|---|---|---|
| ITF W100 | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Koike | Yamaguchi |
|---|---|---|
| Hard | 1 | 0 |
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