Dayeon Back vs Yujin Ahn Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
HEAD TO HEAD
D. Back vs Y. Ahn

Dayeon Back
KOR
w
l
l
l
w
w
w
l
w
w
3
Win
3
Played
0
Win
23
Age
28
-
Height
-
318
C. Rank
894
293
Best Rank
739
0
Total Titles
0
0
YTD Titles
0
$4.2K
Career Money
$0
-
Plays
-

Yujin Ahn
KOR
w
w
l
w
l
w
l
l
l
l
3
Win
3
Played
0
Win
23
Age
28
-
Height
-
318
C. Rank
894
293
Best Rank
739
0
Total Titles
0
0
YTD Titles
0
$4.2K
Career Money
$0
-
Plays
-
Head-to-head: Back 3 - 0 Ahn
They have played 7 sets in total, with Dayeon Back winning 6 and Yujin Ahn winning 1. The last match between Dayeon Back and Yujin Ahn was at the W15 Yeongwol, 10-09-2022, Round: SF, Surface: Hard, with Dayeon Back getting the victory 6-1 4-6 6-3.
| Players | Head To Head Match Wins |
|---|---|
| Back | 3 |
| Ahn | 0 |
Last 3 H2H Matches:
(SF) W15 Yeongwol(09-10-22)
Dayeon Back
6
4
6
Yujin Ahn
1
6
3
(SF) W15 Yeongwol(09-07-19)
Dayeon Back
6
6
Yujin Ahn
1
3
(Q1) W25 Goyang(05-20-19)
Dayeon Back
6
6
Yujin Ahn
4
0
D. Back vs Y. Ahn H2H Profile
D. Back vs Y. Ahn Match Preview:
- Second serve performance recent form: In recent form (last 6 months), Dayeon Back has won 38.06% of points on their second serve, while Yujin Ahn has won 40.00%. 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 53.94% of their opponent's second serve points, while Yujin Ahn has won 52.18%. The same stats for first serve returns are 34.73% and 37.54% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Dayeon Back has saved 45.41% of breakpoints in recent form, whereas Yujin Ahn has saved 50.79% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Dayeon Back has won 66.67% of matches played (W/L 50/25), with Yujin Ahn winning 50.00% (W/L 15/15) 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). Yujin Ahn has their best career surface win % on Hard, winning 70% (W/L 139/109), and worse career win % on I.hard, winning 0% (W/L 0/1).
- Player level: In the last year, Dayeon Back has played most of their matches on the Challengers/ITF tournaments > $10K, winning 65.52% of matches (W/L 38/20), where as Yujin Ahn has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 47.37% of matches (W/L 9/10). 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 3 times before with Dayeon Back winning 3 times and Yujin Ahn being victorious 0 times. They have played 7 sets in total, with Dayeon Back winning 6 and Yujin Ahn winning 1.
- The last match between Dayeon Back and Yujin Ahn was at the W15 Yeongwol, 10-09-2022, Round: SF, Surface: Hard, with Dayeon Back getting the victory 6-1 4-6 6-3.
- Head to head match duration: In past head to head matches, the average match time between these players has been 0:57:20.
- Opponent quality stats: Over the last 12 months, Dayeon Back has played against opponents with an average rank of 460.37 while Yujin Ahn has played against players with an average rank of 374.7.
- 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 Yujin Ahn has won 70% in all matches played on tour.
- Break point conversion: In recent form, Dayeon Back has converted 36.28% of breakpoint opportunities, and Yujin Ahn has converted 39.19% 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 Yujin Ahn Editorial Preview By TennisTipster88.
D. Back vs Y. Ahn H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 3 | H2H Matches Won | 0 |
| 6 | Sets Won | 1 |
| 40 | Games Won | 18 |
| 5 | Total Double Faults | 7 |
| 0:57:20 | Average Match Time | 0:57:20 |
| 77% (88/115) | 1st Serve % | 69% (85/123) |
| 55% (48/88) | 1st Serve Win % | 44% (37/85) |
| 56% (15/27) | 2nd Serve Win % | 32% (12/38) |
| 56% (14/25) | Break Pts Won % | 40% (6/15) |
| 60% (74/123) | Return Points Win % | 45% (52/115) |
| 100% (3/3) | Best‑of‑3 Win % | 0% (0/3) |
| 100% (1/1) | Deciding Set Win % | 0% (0/1) |
| 100% (3/3) | 1st Set Won, Won Match | 0% (0/0) |
| 0% (0/3) | 1st Set Won, Lost Match | 0% (0/0) |
| 0% (0/0) | 1st Set Lost, Won Match | 0% (0/3) |
Recent Performance Stats
2nd Serve Win %: Back 44%, Ahn 45%.
Opp 2nd Serve Pts Won: Back 59%, Ahn 57%.
Break Points Saved %: Back 55%, Ahn 49%.
D. Back Recent Matches Played
Y. Ahn Recent Matches Played

D. Back vs Y. Ahn Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 69.01% (196/88) | YTD Win/Loss | 55.21% (143/116) |
| 65.42% (420/222) | Sets Win/Loss | 53.56% (316/274) |
| 57.59% (3232/2380) | Games Win/Loss | 51.76% (2788/2598) |
| 69.53% (178/78) | Hard Win/Loss | 56.05% (139/109) |
| 61.54% (8/5) | Clay Win/Loss | 40.00% (4/6) |
| 66.67% (10/5) | Indoor Hard W/L | 0.00% (0/1) |
| 0.05 | Aces Per Game | 0.02 |
| 143 | Aces Total | 57 |
| 0.15 | Double Faults Per Game | 0.18 |
| 407 | Total Double Faults | 472 |
| 1:30:33 | Average Match Time | 1st Match |
| 462.12 | Average Opponent Rank | 403.1 |
| 68% (10927/15986) | 1st Serve % | 69% (6071/8818) |
| 60% (6576/10927) | 1st Serve Win % | 56% (3421/6071) |
| 46% (2328/5059) | 2nd Serve Win % | 42% (1154/2747) |
| 51% (1177/2329) | Break Points Won % (Total) | 51% (601/1172) |
| 50% (7990/15927) | Return Points Win % | 49% (4345/8941) |
| 62.50% (5/3) | Cups W/L | 0% (0/0) |
| 42.86% (3/4) | Main Tour W/L | 0.00% (0/4) |
| 64.23% (79/44) | Challenger W/L | 56.04% (51/40) |
| 74.66% (109/37) | Futures W/L | 56.10% (92/72) |
| 69% (191/278) | Best of 3 Sets Win % | 54% (137/253) |
| 0% (0/0) | Best of 5 Sets Win % | 100% (1/1) |
| 53% (28/53) | Tiebreaks Win % (Total) | 51% (22/43) |
| 58% (46/79) | Deciding Set Win % | 53% (40/76) |
| 88% (184/162) | 1st Set Won, Won Match | 85% (142/120) |
| 12% (184/22) | 1st Set Won, Lost Match | 15% (142/21) |
| 33% (100/33) | 1st Set Lost, Won Match | 18% (117/21) |
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PredictionW1
1.42
W2
2.64
08:00 PM 31/10/25
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2.43
W2
1.48
11:00 AM 31/10/25
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W2
2.55
03:00 AM 31/10/25
PredictionW1
1.84
W2
1.86
04:00 PM 31/10/25
PredictionW1
2.375
W2
1.58
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