Dayeon Back vs Kisa YoshiokaPrediction, Head-to-Head Results, and Stats
Dayeon Back and Kisa Yoshioka have met 2 times since 2025; they are level 1–1. Their first meeting came at W35 Hamamatsu 1 in 2025 on carpet. Across all meetings Back has taken 3 sets to Yoshioka's 2. Their most recent meeting: Dayeon Back won at W35 Taipei (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Back | Yoshioka | ||
|---|---|---|---|---|
| Indicator | Dayeon Back | Kisa Yoshioka | ||
| Wins in straight sets | 85% | 44/52 | 71% | 10/14 |
| Wins a set when losing | 26% | 6/23 | 50% | 8/16 |
| Goes to a deciding set | 19% | 14/75 | 40% | 12/30 |
| Covers −1.5 sets as favorite | 66% | 35/53 | 27% | 3/11 |
| Covers +1.5 sets as underdog | 25% | 3/12 | 67% | 10/15 |
| Tiebreak sets won | 46% | 6/13 | 60% | 6/10 |
| Wins after taking set 1 | 94% | 47/50 | 77% | 10/13 |
| Wins 2-0 after taking set 1 | 88% | 44/50 | 77% | 10/13 |
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 2 completed meetings ended in straight sets (Back 1, Yoshioka 0).
Style Matchup
Playing styles and historical archetype record
Back
👑 The Complete Package
Yoshioka
🎾 All-Court
Matchup analysis
The 👑 The Complete Package archetype wins about 54% vs 🎾 All-Court across 706 matches in our dataset: a stylistic lean toward Dayeon Back.
The Complete Package players often use elite serve & return and high bp conversion to pressure the all-court's tactical versatility.
Previous meetings
2 career meetings, newest first
Jun 24, 2026
W35 Taipei
H Hard · 1st Round
Nov 4, 2025
W35 Hamamatsu 1
? Carpet · 1st Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Back | Yoshioka | ||
|---|---|---|---|---|
| Outcome | Dayeon Back | Kisa Yoshioka | ||
| 1 or more | 39% | 7/18 | 33% | 2/6 |
| 3 or more | 6% | 1/18 | 0% | 0/6 |
| 5 or more | 0% | 0/18 | 0% | 0/6 |
| 10 or more | 0% | 0/18 | 0% | 0/6 |
| 15 or more | 0% | 0/18 | 0% | 0/6 |
| 20 or more | 0% | 0/18 | 0% | 0/6 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Back | Yoshioka |
|---|---|---|
| W-L | 12–5 | 3–3 |
| Avg odds | 1.41 | 3.46 |
| ROI % | -13.2% | +3.7% |
| Units P/L | -2.24u | +0.22u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Back | Yoshioka |
|---|---|---|
| Countries | 2 | 1 |
| Events | 2 | 1 |
| Matches | 3 | 4 |
| Distance | — | — |
| Route | USA → POR | TUR |
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
Back has a higher win rate against shared opponents (67% vs Yoshioka's 33%).
| Opponent | Back | Yoshioka |
|---|---|---|
| Rinko Matsuda | W 62 61 | W 36 63 63 |
| Sara Saito | L 16 26 | L 57 16 |
| Ayano Shimizu | W 76 16 76 | L 67 46 |
Recent Form
Last five matches per player
Laima Vladson
W50 Hamburg · 2nd Round
Aug 13
Arina Gabriela Vasilescu
W50 Hamburg · 1st Round
Aug 12
Julie Pastikova
W75 Leipzig · 1st Round
Aug 5
Xinxin Yao
W75 Hechingen · 1st Round
Jul 29
Lea Nilsson
W50 Horb · Final
Jul 26
Loes Ebeling Koning
W50 Horb · Quarterfinals
Jul 24
Madelief Hageman
W50 Horb · 2nd Round
Jul 23
Oana Georgeta Simion
W50 Horb · 1st Round
Jul 22
Su Jeong Jang
W15 Astana · Semifinals
Aug 8
Victoria Milovanova
W15 Astana · Quarterfinals
Aug 8
Eva Korysheva
W15 Astana · 2nd Round
Aug 7
Sonal Patil
W15 Astana · 1st Round
Aug 4
Eunchae Kim
W15 Astana · 1st Round
Jul 29
Dayeon Back
W35 Taipei · 1st Round
Jun 24
Pei Chi Lee
Taipei 3 ITF
Jun 21
Feier Hu
Taipei 2 ITF
Jun 15
Rivalry momentum
Cumulative head-to-head lead over time
Win rate
Matches, sets and games won · Last 12 months · 30–75 matches
| Metric | Back | Yoshioka |
|---|---|---|
| Matches won | 69% | 47% |
| Sets won | 67% | 50% |
| Games won | 57% | 51% |
Record by tier
Head-to-head record by tournament tier
| Stage | Back | Yoshioka |
|---|---|---|
| ITF W35 | 1 | 1 |
By surface
Head-to-head record per surface
| Surface | Back | Yoshioka |
|---|---|---|
| Hard | 1 | 0 |
| Carpet | 0 | 1 |
Share this matchup
Copy the link to paste in Discord or group chats.