Dayeon Back vs Sunam Jeong Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Wojtek Kolan

Published on 21 May at 04:34 AM UTC

HEAD TO HEAD

D. Back vs S. Jeong

Dayeon Back
Dayeon Back

Flag KOR KOR

w
w
l
w
w
w
w
l
l
l
Sunam Jeong
Sunam Jeong

Flag KOR KOR

l
l
w
w
w
l
w
w
l
w

3

Win

5

Played

2

Win

23
Age
29
-
Height
-
315
C. Rank
808
293
Best Rank
357
0
Total Titles
0
0
YTD Titles
0
$4.2K
Career Money
$0
-
Plays
-

Head-to-head: Back 3 - 2 Jeong

They have played 11 sets in total, with Dayeon Back winning 6 and Sunam Jeong winning 5. The last match between Dayeon Back and Sunam Jeong was at the W35 Andong, 21-05-2025, Round: R1, Surface: Hard, with Dayeon Back getting the victory 6-3 6-1.

PlayersHead To Head Match Wins
Back3
Jeong2
Last 5 H2H Matches:

(R1W35 Andong(05-21-25)

Hard
KOR Flag
Dayeon Back
6
6
KOR Flag
Sunam Jeong
3
1

(QFW15 Yeongwol(10-04-24)

Hard
KOR Flag
Dayeon Back
6
3
6
KOR Flag
Sunam Jeong
2
6
2

(SFW15 Yeongwol(09-09-23)

Hard
KOR Flag
Dayeon Back
6
4
KOR Flag
Sunam Jeong
1
1

D. Back vs S. Jeong H2H Profile

Stats
$4,220Career Prize Money$0
68.51% (198-91)Career Total W/L63.29% (150-87)
3Hard2
9Titles7
3Total H2H Matches2
50.00% (3-3)YTD Win/Loss0% (0-0)

D. Back vs S. Jeong Match Preview:

  • Back has shown superior performance on the second serve recently, winning 39.28% of points, compared to Jeong's 21.74%. Could this be crucial in determining the upcoming match's outcome? Yes, it's a significant indicator of match success.
  • In return games, Back has a clear advantage, capturing 52.62% of their opponent's second serve points, while Jeong lags behind at 18.75%.
  • Jeong outperforms Back slightly on first serve returns, winning 40.54% of points to Back's 35.42%, which could be vital in close sets.
  • Under pressure, Back excels in breakpoint scenarios, saving 49.28% compared to Jeong's 37.5%, indicating strong in-match resilience.
  • Over the last year, Back has won 70% of matches while Jeong has achieved 54.55%, illustrating Back's recent dominance in match wins.
  • Both players have their best career surface win percentage on Hard courts, with Back at 69% and Jeong at 64%, suggesting potentially close competition on this surface.
  • In competition levels, Back and Jeong have similar success at Challengers/ITF tournaments > $10K, winning 67.35% and 66.67% of matches, respectively.
  • Direct head-to-head history is even, with both players having won two matches each, but Back won their most recent encounter on Hard court.
  • Under high-pressure scenarios, such as a deciding set, Back has demonstrated superiority, winning 71% of such sets, unlike Jeong, who has had no wins.
  • Back converts breakpoints at a significantly higher rate than Jeong at 34.63% versus 12.5%, a crucial advantage during pivotal match moments.

Editorial Prediction (May 21, 2025, UTC):

As we evaluate the upcoming match, Back holds distinct advantages in several key statistical areas. Their strong second serve performance, superior return game strategy, and consistent success under pressure highlight Back's strategic edge.

Although Jeong shows a slight edge in first serve return effectiveness, Back's ability to convert breakpoints provides an edge in critical match situations. The overall performance over the last year strengthens Back's case as the favorite, coupled with a recent victory over Jeong on a similar surface.

Given their higher success rate in deciding sets and breakpoint scenarios, Back is poised to leverage these strengths for a likely victory in this matchup.

Considering these factors, Dayeon Back is expected to emerge victorious in their upcoming tennis match against Jeong.

Dayeon Back vs Sunam Jeong Editorial Preview By TennisTipster88.

D. Back vs S. Jeong H2H Stats Used In Our Predictions

Stats
3H2H Matches Won2
6Sets Won5
49Games Won41
2Aces (Total)0
11Total Double Faults11
1:41:34Average Match Time1:41:34
66% (224/339)1st Serve %71% (200/281)
57% (128/224)1st Serve Win %54% (108/200)
46% (53/115)2nd Serve Win %36% (29/81)
56% (22/39)Break Pts Won %37% (17/46)
51% (144/281)Return Points Win %47% (158/339)
60% (3/5)Best‑of‑3 Win %40% (2/5)
100% (1/1)Deciding Set Win %0% (0/1)
100% (3/3)1st Set Won, Won Match100% (2/2)
0% (0/3)1st Set Won, Lost Match0% (0/2)
0% (0/2)1st Set Lost, Won Match0% (0/3)

Recent Performance Stats

2nd Serve Win %: Back 44%, Jeong 59%.
Opp 2nd Serve Pts Won: Back 59%, Jeong 69%.
Break Points Saved %: Back 54%, Jeong 63%.

D. Back Recent Matches Played

OPPONENTRESULTSCOREH2H
HardW50 Brisbane - 10-11-2025

R1

AUSG. Da
L
6-2 2-6 6-4
CarpetW35 Hamamatsu - 03-11-2025

R1

JPNK. Yoshioka
L
3-6 6-4 7-5
CarpetW35 Makinohara - 27-10-2025

F

JPNS. Saito
L
6-1 6-2

SF

JPNA. Shimizu
W
7-6(2) 1-6 7-6(3)

QF

KORE. Lee
W
6-3 6-4

S. Jeong Recent Matches Played

OPPONENTRESULTSCOREH2H
HardW15 Yeongwol - 08-09-2025

R2

KORD. Kim
L
w/o

R1

RUSE. Nepliy
W
6-1 6-1
HardW15 Daegu - 26-05-2025

Q2

KORS. Hyeon
W
6-1 7-5

Q3

KORJ. Shin
L
6-3 2-6 8-5 ret.

Q1

N/AU. Player
W
6-0 6-1
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D. Back vs S. Jeong Stats Breakdown Vs All H2H Opponents

Stats
68.51% (198/91)YTD Win/Loss63.29% (150/87)
65.04% (426/229)Sets Win/Loss61.52% (331/207)
57.34% (3289/2447)Games Win/Loss55.79% (2673/2118)
69.26% (178/79)Hard Win/Loss64.19% (147/82)
61.54% (8/5)Clay Win/Loss0% (0/0)
63.16% (12/7)Indoor Hard W/L37.50% (3/5)
0.05Aces Per Game0.06
148Aces Total142
0.15Double Faults Per Game0.14
422Total Double Faults334
1:31:11Average Match Time1:8:27
229.05Average Opponent Rank561.38
68% (11180/16379)1st Serve %65% (6498/10045)
60% (6723/11180)1st Serve Win %58% (3766/6498)
46% (2389/5199)2nd Serve Win %49% (1736/3547)
50% (1198/2375)Break Points Won % (Total)52% (733/1401)
50% (8158/16319)Return Points Win %50% (4890/9825)
62.50% (5/3)Cups W/L40.00% (2/3)
42.86% (3/4)Main Tour W/L0.00% (0/2)
63.28% (81/47)Challenger W/L58.10% (61/44)
74.66% (109/37)Futures W/L69.60% (87/38)
68% (193/283)Best of 3 Sets Win %63% (146/230)
0% (0/0)Best of 5 Sets Win %50% (2/4)
55% (30/55)Tiebreaks Win % (Total)50% (17/34)
57% (47/82)Deciding Set Win %48% (30/62)
88% (187/164)1st Set Won, Won Match87% (152/132)
12% (187/23)1st Set Won, Lost Match13% (152/20)
32% (102/33)1st Set Lost, Won Match20% (85/17)

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Potential H2H Matches This Week

Back (W75 Sydney)
Back vs AiavaCould play in The Quarterfinals
Back vs FickCould play in The Quarterfinals
Back vs YamaguchiCould play in The Quarterfinals
Back vs SatoCould play in The Quarterfinals
Thompson vs BackCould play in The Second
Gibson vs BackCould play in The Second