Boyoung Jeong vs Dayeon BackPrediction, Head-to-Head Results, and Stats
Boyoung Jeong and Dayeon Back have met 1 time since 2026; Dayeon Back leads 1–0. 1 of their meetings has been a final, with Back leading those 1–0. Across all meetings Jeong has taken 1 sets to Back's 2. Their most recent meeting: Dayeon Back won at W35 Andong (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Jeong | Back | ||
|---|---|---|---|---|
| Indicator | Boyoung Jeong | Dayeon Back | ||
| Wins in straight sets | 64% | 18/28 | 85% | 44/52 |
| Wins a set when losing | 44% | 8/18 | 26% | 6/23 |
| Goes to a deciding set | 39% | 18/46 | 19% | 14/75 |
| Covers −1.5 sets as favorite | 55% | 11/20 | 66% | 35/53 |
| Covers +1.5 sets as underdog | 67% | 10/15 | 25% | 3/12 |
| Tiebreak sets won | 43% | 3/7 | 46% | 6/13 |
| Wins after taking set 1 | 79% | 23/29 | 94% | 47/50 |
| Wins 2-0 after taking set 1 | 62% | 18/29 | 88% | 44/50 |
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: 0 of 1 completed meetings ended in straight sets (Jeong 0, Back 0).
Style Matchup
Playing styles and historical archetype record
Jeong
💥 Big Hitter
Back
👑 The Complete Package
Matchup analysis
💥 Big Hitter vs 👑 The Complete Package is historically tight (48% vs 52%, 3,896 matches). Neither style has a clear edge, so form, surface, and the head-to-head matter most.
Previous meetings
1 career meeting, newest first
May 17, 2026
W35 Andong
H Hard · Final
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Jeong | Back |
|---|---|---|
| W-L | 0–4 | 12–5 |
| Avg odds | 2.55 | 1.41 |
| ROI % | -100.0% | -13.2% |
| Units P/L | -4.00u | -2.24u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Jeong | Back |
|---|---|---|
| Countries | 1 | 2 |
| Events | 1 | 2 |
| Matches | 1 | 3 |
| Distance | — | — |
| Route | USA | USA → POR |
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 (80% vs Jeong's 60%).
| Opponent | Jeong | Back |
|---|---|---|
| Eunji Lee | L 67 67 | W 61 26 61 |
| Thasaporn Naklo | L 61 57 46 | W 63 76 |
| Aunchisa Chanta | W 46 62 75 | W 64 61 |
| Anchisa Chanta | W 46 62 75 | W 64 61 |
| Reina Goto | W 62 75 | W 63 62 |
| Malaika Rapolu | W 46 61 75 | W 64 63 |
| Hanna Chang | L 36 24 | L 16 46 |
| Maria Kalyakina | W 75 62 | W 62 63 |
| Yuhan Wang | W 64 26 61 | W 75 61 |
| Sijia Wei | L 26 36 | L 46 06 |
Recent Form
Last five matches per player
Eunji Lee
W15 Tianjin · 1st Round
Aug 26
Janae Preston
W75 Lexington · 1st Round
Jul 28
Sloane Stephens
W100 Evansville · 1st Round
Jul 23
Christasha Mcneil
W35 Dallas · 1st Round
Jul 14
Seo Yun Choi
W35 Changwon · 1st Round
May 21
Dabin Kim
W35 Changwon · Round of 16
May 21
Dayeon Back
W35 Andong · Final
May 17
Reina Goto
W35 Andong · Semifinals
May 16
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
Win rate
Matches, sets and games won · Last 12 months · 47–75 matches
| Metric | Jeong | Back |
|---|---|---|
| Matches won | 62% | 69% |
| Sets won | 59% | 67% |
| Games won | 54% | 57% |
Record by tier
Head-to-head record by tournament tier
| Stage | Jeong | Back |
|---|---|---|
| Finals | 0 | 1 |
| ITF W35 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Jeong | Back |
|---|---|---|
| Hard | 0 | 1 |
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