Dayeon Back vs Jelena Ostapenko Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
HEAD TO HEAD
D. Back vs J. Ostapenko
Dayeon Back
KOR
w
w
w
w
l
l
l
w
l
l
1
Win
1
Played
0
Win
23
Age
28
-
Height
1.77m
310
C. Rank
23
293
Best Rank
5
0
Total Titles
9
0
YTD Titles
1
$4.2K
Career Money
$11.7M
-
Plays
Right-handed (two-handed backhand)
Jelena Ostapenko
LAT
l
l
w
l
l
w
l
l
l
l
1
Win
1
Played
0
Win
23
Age
28
-
Height
1.77m
310
C. Rank
23
293
Best Rank
5
0
Total Titles
9
0
YTD Titles
1
$4.2K
Career Money
$11.7M
-
Plays
Right-handed (two-handed backhand)
Head-to-head: Back 1 - 0 Ostapenko
They have played 3 sets in total, with Dayeon Back winning 2 and Jelena Ostapenko winning 1. The last match between Dayeon Back and Jelena Ostapenko was at the Hana Bank Korea Open - Seoul, 10-10-2023, Round: R1, Surface: Hard, with Draw getting the victory 3-6 6-1 7-6(4).
| Players | Head To Head Match Wins |
|---|---|
| Back | 1 |
| Ostapenko | 0 |
Last 1 H2H Matches:
(R1) Hana Bank Korea Open - Seoul(10-10-23)
Dayeon Back
3
6
7
Jelena Ostapenko
6
1
6
D. Back vs J. Ostapenko H2H Profile
| Stats | ||
|---|---|---|
| $4,220 | Career Prize Money | $11,743,067 |
| 68.15% (199-93) | Career Total W/L | 61.23% (409-259) |
| 1 | Hard | 0 |
| 9 | Titles | 16 |
| 1 | Total H2H Matches | 0 |
| 50.00% (3-3) | YTD Win/Loss | 47.37% (18-20) |
| 0 | YTD Titles | 1 |
D. Back vs J. Ostapenko Match Preview:
- Second serve performance recent form: In recent form (last 6 months), Dayeon Back has won 37.89% of points on their second serve, while Jelena Ostapenko has won 37.41%. There is a high correlation between this stat and match prediction accuracy.
- Return game stats recent form: Return stats show Dayeon Back, in recent form, has won 53.31% of their opponent's second serve points, while Jelena Ostapenko has won 50.34%. The same stats for first serve returns are 34.77% and 31.73% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Dayeon Back has saved 43.26% of breakpoints in recent form, whereas Jelena Ostapenko has saved 38.89% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Dayeon Back has won 64.86% of matches played (W/L 48/26), with Jelena Ostapenko winning 47.37% (W/L 18/20) that gives us an overall head-to head prediction overview.
- Best surface: Dayeon Back has their best career surface win % on Hard, winning 69% (W/L 179/81), and worse career win % on I.hard, winning 50% (W/L 3/3). Jelena Ostapenko has their best career surface win % on Grass, winning 69% (W/L 54/26), and worse career win % on Hard, winning 54% (W/L 145/125).
- Player level: In the last year, Dayeon Back has played most of their matches on the Challengers/ITF tournaments > $10K, winning 62.07% of matches (W/L 36/22), where as Jelena Ostapenko has played most of their matches on the Masters series, winning 41.18% of matches (W/L 7/10). 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 Dayeon Back winning 1 times and Jelena Ostapenko being victorious 0 times. They have played 3 sets in total, with Dayeon Back winning 2 and Jelena Ostapenko winning 1.
- The last match between Dayeon Back and Jelena Ostapenko was at the Hana Bank Korea Open - Seoul, 10-10-2023, Round: R1, Surface: Hard, with Draw getting the victory 3-6 6-1 7-6(4).
- Head to head match duration: In past head to head matches, the average match time between these players has been 2:13:53.
- Opponent quality stats: Over the last 12 months, Dayeon Back has played against opponents with an average rank of 442.59 while Jelena Ostapenko has played against players with an average rank of 63.03.
- Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Dayeon Back has won 60% of deciding sets over the last 12 months, while Jelena Ostapenko has won 64% in all matches played on tour.
- Break point conversion: In recent form, Dayeon Back has converted 39.22% of breakpoint opportunities, and Jelena Ostapenko has converted 56.14% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.
Dayeon Back vs Jelena Ostapenko Editorial Preview By TennisTipster88.
D. Back vs J. Ostapenko H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 1 | H2H Matches Won | 0 |
| 2 | Sets Won | 1 |
| 16 | Games Won | 13 |
| 2 | Aces (Total) | 1 |
| 6 | Total Double Faults | 9 |
| 2:13:53 | Average Match Time | 2:13:53 |
| 56% (58/104) | 1st Serve % | 54% (54/100) |
| 62% (36/58) | 1st Serve Win % | 69% (37/54) |
| 46% (21/46) | 2nd Serve Win % | 33% (15/46) |
| 55% (6/11) | Break Pts Won % | 36% (5/14) |
| 48% (48/100) | Return Points Win % | 45% (47/104) |
| 100% (1/1) | Best‑of‑3 Win % | 0% (0/1) |
| 100% (1/1) | Deciding Set Win % | 0% (0/1) |
| 0% (0/0) | 1st Set Won, Won Match | 0% (0/1) |
| 0% (0/0) | 1st Set Won, Lost Match | 100% (1/1) |
| 100% (1/1) | 1st Set Lost, Won Match | 0% (0/0) |
Recent Performance Stats
2nd Serve Win %: Back 43%, Ostapenko 41%.
Opp 2nd Serve Pts Won: Back 58%, Ostapenko 57%.
Break Points Saved %: Back 53%, Ostapenko 50%.
D. Back Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| W75 Playford - 24-11-2025 | ||||
R1  Sijia WeiS. Wei | L | 6-4 6-0 | ||
| W75 Sydney - 17-11-2025 | ||||
R2  Talia GibsonT. Gibson | L | 6-3 6-2 | ||
R1 Laquisa KhanL. Khan | W | 6-4 6-2 | ||
| W50 Brisbane - 10-11-2025 | ||||
R1 Gabriella Da Silva FickG. Da | L | 6-2 2-6 6-4 | ||
 W35 Hamamatsu - 03-11-2025 | ||||
R1  Kisa YoshiokaK. Yoshioka | L | 3-6 6-4 7-5 | ||
J. Ostapenko Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| Wuhan Open - Wuhan - 06-10-2025 | ||||
R1  Sorana CirsteaS. Cirstea | L | 6-0 2-1 ret. | ||
| China Open - Beijing - 22-09-2025 | ||||
R2 Priscilla HonP. Hon | L | 6-3 6-2 | ||
| Guadalajara Open Akron - Guadalajara - 08-09-2025 | ||||
R2  Marina StakusicM. Stakusic | L | 6-4 6-7(6) 6-2 | ||
| U.S. Open - New York - 25-08-2025 | ||||
R2  Taylor TownsendT. Townsend | L | 7-5 6-1 | ||
R1 Xiyu WangX. Wang | W | 6-4 6-3 | ||
D. Back vs J. Ostapenko Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 68.15% (199/93) | YTD Win/Loss | 61.23% (409/259) |
| 64.75% (428/233) | Sets Win/Loss | 57.77% (900/658) |
| 57.20% (3310/2477) | Games Win/Loss | 53.38% (7632/6665) |
| 68.85% (179/81) | Hard Win/Loss | 53.70% (145/125) |
| 61.54% (8/5) | Clay Win/Loss | 66.86% (117/58) |
| 63.16% (12/7) | Indoor Hard W/L | 65.03% (93/50) |
| 0% (0/0) | Grass Win/Loss | 67.50% (54/26) |
| 0.05 | Aces Per Game | 0.24 |
| 152 | Aces Total | 1647 |
| 0.15 | Double Faults Per Game | 0.43 |
| 433 | Total Double Faults | 3031 |
| 1st Match | Average Match Time | 1:13:48 |
| 460.74 | Average Opponent Rank | 378.06 |
| 68% (11273/16536) | 1st Serve % | 56% (20945/37471) |
| 60% (6778/11273) | 1st Serve Win % | 65% (13671/20945) |
| 46% (2408/5263) | 2nd Serve Win % | 43% (7174/16512) |
| 50% (1207/2392) | Break Points Won % (Total) | 49% (2313/4708) |
| 50% (8223/16470) | Return Points Win % | 46% (17077/37028) |
| 0% (0/0) | Slam W/L | 61.39% (62/39) |
| 0% (0/0) | Masters W/L | 52.38% (88/80) |
| 62.50% (5/3) | Cups W/L | 58.06% (18/13) |
| 42.86% (3/4) | Main Tour W/L | 60.17% (139/92) |
| 62.60% (82/49) | Challenger W/L | 66.25% (53/27) |
| 74.66% (109/37) | Futures W/L | 85.96% (49/8) |
| 68% (194/286) | Best of 3 Sets Win % | 61% (399/653) |
| 0% (0/0) | Best of 5 Sets Win % | 40% (2/5) |
| 55% (30/55) | Tiebreaks Win % (Total) | 57% (76/134) |
| 57% (47/82) | Deciding Set Win % | 61% (139/227) |
| 88% (188/165) | 1st Set Won, Won Match | 86% (387/333) |
| 12% (188/23) | 1st Set Won, Lost Match | 14% (387/54) |
| 32% (104/33) | 1st Set Lost, Won Match | 26% (281/74) |
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