YC
ATP · Rank #906
ATP · Rank #906
Yun Seong Chung
28yrs
1.78 m
78 kg
Right
60.7%Accuracy
28
Matches Analyzed
Recent Form
LLWWL
Recent & Upcoming
Tap a match for full analysis
Y. S. Chung vs A. Kachmazov, ITF Men - M25 Guiyang, 13:00, Finished. Match winner odds: 2.5 for Y. S. Chung, 1.5 for A. Kachmazov. AI winner pick: Y. S. Chung, odds 2.5, confidence 1.5 out of 10. This tip lost. Predicted score: 7-6, 3-6, 6-2. Best AI tip: O22.5, odds 2.1, confidence 5.8 out of 10. This tip lost.
Y. S. Chung
A. Kachmazov
Y. S. Chung vs C. Ferguson, ITF Men - M25 Guiyang, 11:00, Finished. Match winner odds: 1.41 for Y. S. Chung, 3.3 for C. Ferguson. AI winner pick: C. Ferguson, odds 3.3, confidence 1.7 out of 10. This tip lost. Predicted score: 7-5, 3-6, 2-6. Best AI tip: O20.5, odds 1.63, confidence 5.2 out of 10. This tip lost.
Y. S. Chung
C. Ferguson
X. Han vs Y. S. Chung, ITF Men - M25 Guiyang, 11:00, Finished. Match winner odds: 6.6 for X. Han, 1.08 for Y. S. Chung. AI winner pick: Y. S. Chung, odds 1.08, confidence 3.6 out of 10. This tip won. Predicted score: 3-6, 2-6. Best AI tip: Y. S. Chung, odds 1.08, confidence 3.6 out of 10. This tip won.
X. Han
Y. S. Chung
13:00
Finished
1300
Y. S. Chung
A. Kachmazov
0
2
▴2.5
▾1.5
1
▴2.5
763662
O22.5
▴2.1
5.8/10
11:00
Finished
1100
Y. S. Chung
C. Ferguson
2
0
▴1.41
▾3.3
2
▾3.3
753626
O20.5
▾1.63
5.2/10
11:00
Finished
1100
X. Han
Y. S. Chung
0
2
▾6.6
▴1.08
2
▴1.08
3626
2
▴1.08
3.6/10
Y. S. Chung vs J. Roddick, ITF Men - M25 Sapporo, 02:00, Finished. Match winner odds: 1.39 for Y. S. Chung, 3.35 for J. Roddick. AI winner pick: Y. S. Chung, odds 1.39, confidence 4.3 out of 10. This tip lost. Predicted score: 6-3, 6-4. Best AI tip: U22.5, odds 1.59, confidence 5.3 out of 10. This tip won.
Y. S. Chung
J. Roddick
Y. S. Chung vs Y. Kikuchi, ITF Men - M25 Sapporo, 02:04, Finished. Match winner odds: 1.2 for Y. S. Chung, 4.1 for Y. Kikuchi. AI winner pick: Y. S. Chung, odds 1.2, confidence 4.1 out of 10. This tip won. Predicted score: 6-4, 6-2. Best AI tip: Y. S. Chung, odds 1.2, confidence 4.1 out of 10. This tip won.
Y. S. Chung
Y. Kikuchi
M. Imamura vs Y. S. Chung, ITF Men - M25 Sapporo, 04:23, Finished. Match winner odds: 1.54 for M. Imamura, 2.35 for Y. S. Chung. AI winner pick: M. Imamura, odds 1.54, confidence 3.0 out of 10. This tip lost. Predicted score: 6-4, 6-3. Best AI tip: M. Imamura, odds 1.54, confidence 3.0 out of 10. This tip lost.
M. Imamura
Y. S. Chung
02:00
Finished
0200
Y. S. Chung
J. Roddick
0
2
▾1.39
▴3.35
1
▾1.39
6364
U22.5
▾1.59
5.3/10
02:04
Finished
0204
Y. S. Chung
Y. Kikuchi
2
0
▾1.2
▴4.1
1
▾1.2
6462
1
▾1.2
4.1/10
04:23
Finished
0423
M. Imamura
Y. S. Chung
1
2
▾1.54
▴2.35
1
▾1.54
6463
1
▾1.54
3.0/10
Y. S. Chung vs M. Rifqi, ITF Men - M15 Maanshan, 03:08, Finished. Match winner odds: 1.47 for Y. S. Chung, 2.65 for M. Rifqi. AI winner pick: M. Rifqi, odds 2.65, confidence 1.0 out of 10. This tip won. Predicted score: 6-2, 3-6, 4-6. Best AI tip: O20.5, odds 1.78, confidence 5.8 out of 10. This tip won.
Y. S. Chung
M. Rifqi
F. Meng vs Y. S. Chung, ITF Men - M15 Maanshan, 04:52, Finished. Match winner odds: 4.6 for F. Meng, 1.2 for Y. S. Chung. AI winner pick: Y. S. Chung, odds 1.2, confidence 1.1 out of 10. This tip won. Predicted score: 4-6, 3-6. Best AI tip: Y. S. Chung, odds 1.2, confidence 1.1 out of 10. This tip won.
F. Meng
Y. S. Chung
Y. S. Chung vs C. Ferguson, ITF Men - M15 Maanshan, 06:08, Finished. Match winner odds: 1.3 for Y. S. Chung, 3.7 for C. Ferguson. AI winner pick: Y. S. Chung, odds 1.3, confidence 1.4 out of 10. This tip won. Predicted score: 1-6, 6-3, 7-6. Best AI tip: O20.5, odds 1.83, confidence 6.6 out of 10. This tip lost.
Y. S. Chung
C. Ferguson
03:08
Finished
0308
Y. S. Chung
M. Rifqi
1
2
▾1.47
▴2.65
2
▴2.65
623646
O20.5
▴1.78
5.8/10
04:52
Finished
0452
F. Meng
Y. S. Chung
0
2
4.6
1.2
2
1.2
4636
2
1.2
1.1/10
06:08
Finished
0608
Y. S. Chung
C. Ferguson
2
0
1.3
3.7
1
1.3
166376
O20.5
1.83
6.6/10
Y. S. Chung vs O. Jasika, ITF Men - M15 Tianjin, 04:00, Finished. Match winner odds: 2.58 for Y. S. Chung, 1.52 for O. Jasika. AI winner pick: O. Jasika, odds 1.52, confidence 5.6 out of 10. This tip won. Predicted score: 6-4, 3-6, 2-6. Best AI tip: O19.5, odds 1.59, confidence 7.9 out of 10. This tip lost.
Y. S. Chung
O. Jasika
F. Meng vs Y. S. Chung, ITF Men - M15 Tianjin, 04:00, Finished. Match winner odds: 4 for F. Meng, 1.22 for Y. S. Chung. AI winner pick: F. Meng, odds 4, confidence 1.8 out of 10. This tip lost. Predicted score: 6-3, 2-6, 7-5. Best AI tip: O20.5, odds 1.97, confidence 7.4 out of 10. This tip lost.
F. Meng
Y. S. Chung
Y. S. Chung vs Q. Sun, ITF Men - M15 Tianjin, 03:00, Finished. Match winner odds: 1.3 for Y. S. Chung, 3.5 for Q. Sun. AI winner pick: Y. S. Chung, odds 1.3, confidence 1.0 out of 10. This tip won. Predicted score: 3-6, 6-2, 7-5. Best AI tip: O20.5, odds 1.92, confidence 7.5 out of 10. This tip won.
Y. S. Chung
Q. Sun
Y. S. Chung vs X. Han, ITF Men - M15 Tianjin, 09:01, Finished. Match winner odds: 1.09 for Y. S. Chung, 7 for X. Han. AI winner pick: Y. S. Chung, odds 1.09, confidence 2.6 out of 10. This tip won. Predicted score: 6-2, 6-4. Best AI tip: Y. S. Chung, odds 1.09, confidence 2.6 out of 10. This tip won.
Y. S. Chung
X. Han
04:00
Finished
0400
Y. S. Chung
O. Jasika
0
2
▴2.58
▾1.52
2
▾1.52
643626
O19.5
1.59
7.9/10
04:00
Finished
0400
F. Meng
Y. S. Chung
0
2
▾4
▴1.22
1
▾4
632675
O20.5
▾1.97
7.4/10
03:00
Finished
0300
Y. S. Chung
Q. Sun
2
0
▴1.3
▾3.5
1
▴1.3
366275
O20.5
▾1.92
7.5/10
09:01
Finished
0901
Y. S. Chung
X. Han
2
1
▴1.09
▾7
1
▴1.09
6264
1
▴1.09
2.6/10
Y. S. Chung vs W. Shin, ITF Men - M15 Gimcheon, 03:00, Finished. Match winner odds: 1.45 for Y. S. Chung, 2.55 for W. Shin. AI winner pick: W. Shin, odds 2.55, confidence 1.8 out of 10. This tip lost. Predicted score: 2-6, 5-7. Best AI tip: U22.5, odds 1.63, confidence 2.7 out of 10. This tip won.
Y. S. Chung
W. Shin
T. Ichikawa vs Y. S. Chung, ITF Men - M15 Gimcheon, 03:00, Finished. Match winner odds: 2.6 for T. Ichikawa, 1.49 for Y. S. Chung. AI winner pick: Y. S. Chung, odds 1.49, confidence 3.3 out of 10. This tip won. Predicted score: 2-6, 6-4, 5-7. Best AI tip: O20.5, odds 1.71, confidence 7.5 out of 10. This tip lost.
T. Ichikawa
Y. S. Chung
03:00
Finished
0300
Y. S. Chung
W. Shin
2
0
▾1.45
▴2.55
2
▴2.55
2657
U22.5
1.63
2.7/10
03:00
Finished
0300
T. Ichikawa
Y. S. Chung
0
2
▴2.6
▾1.49
2
▾1.49
266457
O20.5
1.71
7.5/10
Y. S. Chung vs H. Roh, ITF Men - M15 Andong, 03:00, Finished. Match winner odds: 1.84 for Y. S. Chung, 1.87 for H. Roh. AI winner pick: Y. S. Chung, odds 1.84, confidence 2.3 out of 10. This tip lost. Predicted score: 6-2, 3-6, 7-6. Best AI tip: O20.5, odds 1.66, confidence 8.8 out of 10. This tip won.
Y. S. Chung
H. Roh
Y. S. Chung vs S. Fukuda, ITF Men - M15 Andong, 02:30, Finished. Match winner odds: 1.51 for Y. S. Chung, 2.37 for S. Fukuda. AI winner pick: Y. S. Chung, odds 1.51, confidence 1.2 out of 10. This tip won. Predicted score: 6-2, 5-7, 7-5. Best AI tip: O20.5, odds 1.66, confidence 9.6 out of 10. This tip won.
Y. S. Chung
S. Fukuda
Y. S. Chung vs D. Kim, ITF Men - M15 Andong, 02:00, Finished. Match winner odds: 1.46 for Y. S. Chung, 2.75 for D. Kim. AI winner pick: Y. S. Chung, odds 1.46, confidence 2.1 out of 10. This tip won. Predicted score: 6-7, 6-3, 6-2. Best AI tip: O20.5, odds 1.75, confidence 7.3 out of 10. This tip lost.
Y. S. Chung
D. Kim
03:00
Finished
0300
Y. S. Chung
H. Roh
1
2
▴1.84
▾1.87
1
▴1.84
623676
O20.5
1.66
8.8/10
02:30
Finished
0230
Y. S. Chung
S. Fukuda
2
1
▾1.51
▴2.37
1
▾1.51
625775
O20.5
1.66
9.6/10
02:00
Finished
0200
Y. S. Chung
D. Kim
2
0
▴1.46
▾2.75
1
▴1.46
676362
O20.5
▾1.75
7.3/10
Record by surface
Hard
18-10
Overall
18-10
Our AI on this player
17 correct of 28
From the matches in our database
About Yun Seong Chung
Yun Seong Chung is a 28-year-old right-handed professional tennis player, currently ranked world No. 906. Over the last 52 weeks the serve has landed 66.3% of first deliveries, winning 68% of those points. Breaking is the real weapon here: 163.8% of break chances get taken. Service games rarely slip away: 428.4% of them are held. Almost the entire record comes from one surface, hard (18-10).
Results keep swinging: 2 up and 3 down across the last 5. The longest match we have on record ran to 31 games, against H. Roh. More of the matches we cover came at ITF Men M15 Tianjin than anywhere else — 5 of them. Predictions cover match winner and score, alongside serve, return and break-point statistics. Most recently seen in our data at ITF Men M25 Yinchuan.
Serve & Return
First Serve %
—
1st Serve Won
—
2nd Serve Won
—
Aces / Match
6.2
Double Faults / Match
2.7
Break Pts Saved
—
Break Pts Converted
—
Return Pts Won
42%
Service Hold %
—
Total Pts Won
100.3%
Records
Last 12 months
0
Titles
1
Finals
5
Semis or better
12
Events played
Tournament Results
ITF M25 Guiyang Men
ITF
Final
ITF M15 Andong Men
ITF
Semi-Finals
ITF M15 Gimcheon 2 Men
ITF
Semi-Finals
ITF M15 Maanshan 7 Men
ITF
Semi-Finals
ITF M15 Tianjin 2 Men
ITF
Semi-Finals
ITF M15 Gimcheon Men
ITF
Quarter-Finals
ITF M25 Sapporo Men
ITF
Quarter-Finals
ITF M15 Tianjin Men
ITF
Round of 16
Busan, South Korea
Challenger
Round of 32
ITF M25 Urayasu Men
ITF
Round of 32
Seoul, South Korea
Challenger
Qualifying
Gwangju, South Korea
Challenger
Qualifying
Deepest runs first, not by date
Season by season
2026so far
0–2
Won-lost
2
Matches
—
Tiebreaks
4
Aces / Match
0.5
Double Faults / Match
First Serve %
67.8%
1st Serve Won
67.9%
2nd Serve Won
62.2%
Break points won
44.4%
Break Pts Saved
62.5%
2025
1–2
Won-lost
3
Matches
—
Tiebreaks
4.7
Aces / Match
2.3
Double Faults / Match
First Serve %
63.6%
1st Serve Won
70.1%
2nd Serve Won
47.6%
Break points won
39.1%
Break Pts Saved
56%
2024
6–11
Won-lost
17
Matches
2–1
Tiebreaks
4.1
Aces / Match
2.1
Double Faults / Match
First Serve %
60.6%
1st Serve Won
66.8%
2nd Serve Won
49.9%
Break points won
41.3%
Break Pts Saved
56.2%
2023
0–1
Won-lost
1
Matches
—
Tiebreaks
4
Aces / Match
1
Double Faults / Match
First Serve %
67.3%
1st Serve Won
60%
2nd Serve Won
52.9%
Break points won
—
Break Pts Saved
40%
Season totals from the tour feed, singles only. The won-lost line is the tour's own count and can differ from the record under Predictions, which counts the matches we cover. A dash means the season holds nothing to measure that figure from.
Frequently Asked Questions
How accurate are the AI predictions for Yun Seong Chung?
+
Our model has graded 28 matches involving Yun Seong Chung and got 17 right — a hit rate of 60.7%. The 20 most recent are listed below, each with the pick we made and how it finished.
Who has Yun Seong Chung played most often?
+
Of the matches we cover, Yun Seong Chung has met Sora Fukuda most often — 2 times, with a 2-0 record.