MATCHSTAT

Dayeon Back vs Jelena Ostapenko Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Wojtek Kolan

H2H RecordsCareer Stats

HEAD TO HEAD

D. Back vs J. Ostapenko

Dayeon Back
Dayeon Back

Flag KOR KOR

w
l
w
l
l
l
w
w
w
l
Jelena Ostapenko
Jelena Ostapenko

Flag LAT LAT

l
l
w
l
l
w
l
l
l
l

1

Win

1

Played

0

Win

23
Age
28
-
Height
1.77m
313
C. Rank
24
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).

PlayersHead To Head Match Wins
Back1
Ostapenko0
Last 1 H2H Matches:

(R1) Hana Bank Korea Open - Seoul(10-10-23)

Hard
KOR Flag
Dayeon Back
3
6
7
LAT Flag
Jelena Ostapenko
6
1
6

D. Back vs J. Ostapenko H2H Profile

KORD. Back
Stats
LATJ. Ostapenko
$4,220Career Prize Money$11,743,067
68.79% (194-88)Career Total W/L61.23% (409-259)
1Hard0
9Titles16
1Total H2H Matches0
50.00% (3-3)YTD Win/Loss47.37% (18-20)
0YTD Titles1

D. Back vs J. Ostapenko Match Preview:

  • Second serve performance recent form: In recent form (last 6 months), Dayeon Back has won 37.61% of points on their second serve, while Jelena Ostapenko has won 38.57%. 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 53.99% of their opponent's second serve points, while Jelena Ostapenko has won 50.11%. The same stats for first serve returns are 34.97% and 32.38% respectively and this has a high correlation to pick who is favored in this H2H matchup.
  • Under pressure analysis: Dayeon Back has saved 45.93% of breakpoints in recent form, whereas Jelena Ostapenko has saved 40.29% which is a useful statistic for in-game betting predictions.
  • Performance overview: Over the last year Dayeon Back has won 66.22% of matches played (W/L 49/25), 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 70% (W/L 178/78), and worse career win % on I.hard, winning 50% (W/L 3/3). Jelena Ostapenko has their best career surface win % on Grass, winning 70% (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 64.91% of matches (W/L 37/20), 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 457.66 while Jelena Ostapenko has played against players with an average rank of 59.68.
  • 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 36.70% of breakpoint opportunities, and Jelena Ostapenko has converted 50.54% 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

KORD. Back
Stats
LATJ. Ostapenko
1H2H Matches Won0
2Sets Won1
16Games Won13
2Aces (Total)1
6Total Double Faults9
2:13:53Average Match Time2:13:53
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 Match0% (0/1)
0% (0/0)1st Set Won, Lost Match100% (1/1)
100% (1/1)1st Set Lost, Won Match0% (0/0)

Recent Performance Stats

2nd Serve Win %: Back 44%, Ostapenko 41%.
Opp 2nd Serve Pts Won: Back 59%, Ostapenko 57%.
Break Points Saved %: Back 54%, Ostapenko 50%.

D. Back Recent Matches Played

OPPONENTRESULTSCOREH2H
HardW35 Kunshan - 06-10-2025

SF

USAC. Young
L
3-6 7-5 6-3

QF

RUSE. Reyngold
W
6-2 6-3

R2

KORE. Lee
W
7-5 6-1

R1

RUSM. Kalyakina
W
6-2 6-3
HardW100 Incheon - 22-09-2025

R1

JPNM. Kobori
L
6-0 3-6 6-3
View All

J. Ostapenko Recent Matches Played

OPPONENTRESULTSCOREH2H
HardWuhan Open - Wuhan - 06-10-2025

R1

ROUS. Cirstea
L
6-0 2-1 ret.
HardChina Open - Beijing - 22-09-2025

R2

AUSP. Hon
L
6-3 6-2
HardGuadalajara Open Akron - Guadalajara - 08-09-2025

R2

CANM. Stakusic
L
6-4 6-7(6) 6-2
HardU.S. Open - New York - 25-08-2025

R2

USAT. Townsend
L
7-5 6-1

R1

CHNX. Wang
W
6-4 6-3
View All
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D. Back vs J. Ostapenko Stats Breakdown Vs All H2H Opponents

KORD. Back
Stats
LATJ. Ostapenko
68.79% (194/88)YTD Win/Loss61.23% (409/259)
65.20% (416/222)Sets Win/Loss57.77% (900/658)
57.47% (3208/2374)Games Win/Loss53.38% (7632/6665)
69.53% (178/78)Hard Win/Loss53.70% (145/125)
61.54% (8/5)Clay Win/Loss66.86% (117/58)
61.54% (8/5)Indoor Hard W/L65.03% (93/50)
0% (0/0)Grass Win/Loss67.50% (54/26)
0.05Aces Per Game0.24
142Aces Total1647
0.15Double Faults Per Game0.43
407Total Double Faults3031
1:30:37Average Match Time1:13:48
460.43Average Opponent Rank371.74
68% (10863/15886)1st Serve %56% (20945/37471)
60% (6529/10863)1st Serve Win %65% (13671/20945)
46% (2310/5023)2nd Serve Win %43% (7174/16512)
50% (1166/2310)Break Points Won % (Total)49% (2313/4708)
50% (7929/15822)Return Points Win %46% (17077/37028)
0% (0/0)Slam W/L61.39% (62/39)
0% (0/0)Masters W/L52.38% (88/80)
62.50% (5/3)Cups W/L58.06% (18/13)
42.86% (3/4)Main Tour W/L60.17% (139/92)
63.64% (77/44)Challenger W/L66.25% (53/27)
74.66% (109/37)Futures W/L85.96% (49/8)
68% (189/276)Best of 3 Sets Win %61% (399/653)
0% (0/0)Best of 5 Sets Win %40% (2/5)
53% (28/53)Tiebreaks Win % (Total)57% (76/134)
58% (46/79)Deciding Set Win %61% (139/227)
88% (182/160)1st Set Won, Won Match86% (387/333)
12% (182/22)1st Set Won, Lost Match14% (387/54)
33% (100/33)1st Set Lost, Won Match26% (281/74)

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