JN
ATP · Rank #1038
ATP · Rank #1038
Ji Sung Nam
33yrs
1.83 m
80 kg
Right
50%Accuracy
12
Matches Analyzed
Recent Form
LWWWL
Recent & Upcoming
Tap a match for full analysis
J. Nam vs L. Castelnuovo, Challenger - Shanghai, China, 08:30, Finished. Match winner odds: 2.01 for J. Nam, 1.85 for L. Castelnuovo. AI winner pick: L. Castelnuovo, odds 1.85, confidence 8.9 out of 10. This tip won. Predicted score: 4-6, 6-7. Best AI tip: L. Castelnuovo, odds 1.85, confidence 8.9 out of 10. This tip won.
J. Nam
(Q)
L. Castelnuovo
(Q)
J. Nam vs D. Yevseyev, Challenger - Shanghai, China, 08:00, Finished. Match winner odds: 1.88 for J. Nam, 1.9 for D. Yevseyev. AI winner pick: D. Yevseyev, odds 1.9, confidence 4.3 out of 10. This tip lost. Predicted score: 0-6, 2-6. Best AI tip: D. Yevseyev, odds 1.9, confidence 4.3 out of 10. This tip lost.
J. Nam
(Q)
D. Yevseyev
(Q)
R. Sakamoto vs J. Nam, Challenger - Shanghai, China, 12:15, Finished. Match winner odds: 1.07 for R. Sakamoto, 8.5 for J. Nam. AI winner pick: R. Sakamoto, odds 1.07, confidence 7.9 out of 10. This tip lost. Predicted score: 6-2, 3-6, 6-3. Best AI tip: R. Sakamoto, odds 1.07, confidence 7.9 out of 10. This tip lost.
R. Sakamoto
(1)
J. Nam
J. Nam vs J. Charlton, Challenger - Shanghai, China, Qualifying, 10:00, Finished. Match winner odds: 2.08 for J. Nam, 1.73 for J. Charlton. AI winner pick: J. Charlton, odds 1.73, confidence 7.6 out of 10. This tip lost. Predicted score: 4-6, 3-6. Best AI tip: J. Charlton, odds 1.73, confidence 7.6 out of 10. This tip lost.
J. Nam
J. Charlton
08:30
Finished
0830
J. Nam
(Q)
L. Castelnuovo
(Q) 0
2
▴2.01
▾1.85
2
▾1.85
4667
2
▾1.85
8.9/10
08:00
Finished
0800
J. Nam
(Q)
D. Yevseyev
(Q) 2
0
1.88
▴1.9
2
▴1.9
0626
2
▴1.9
4.3/10
12:15
Finished
1215
R. Sakamoto
(1)
J. Nam
0
2
▴1.07
▾8.5
1
▴1.07
623663
1
▴1.07
7.9/10
10:00
Finished
1000
J. Nam
J. Charlton
2
0
▴2.08
▾1.73
2
▾1.73
4636
2
▾1.73
7.6/10
J. Nam vs B. Shick, Challenger - Miyazaki, Japan, 04:30, Finished. Match winner odds: 2.27 for J. Nam, 1.65 for B. Shick. AI winner pick: B. Shick, odds 1.65, confidence 3.9 out of 10. This tip won. Predicted score: 5-7, 2-6. Best AI tip: U24.5, odds 1.65, confidence 5.1 out of 10. This tip won.
J. Nam
B. Shick
J. Nam vs Y. Kikuchi, Challenger - Miyazaki, Japan, Qualifying, 03:00, Finished. Match winner odds: 1.7 for J. Nam, 2.11 for Y. Kikuchi. AI winner pick: Y. Kikuchi, odds 2.11, confidence 1.6 out of 10. This tip lost. Predicted score: 6-3, 6-7, 4-6. Best AI tip: Y. Kikuchi, odds 2.11, confidence 1.6 out of 10. This tip lost.
J. Nam
Y. Kikuchi
T. Kumasaka vs J. Nam, Challenger - Miyazaki, Japan, Qualifying, 03:00, Finished. Match winner odds: 1.65 for T. Kumasaka, 2.17 for J. Nam. AI winner pick: T. Kumasaka, odds 1.65, confidence 5.9 out of 10. This tip lost. Predicted score: 6-4, 7-6. Best AI tip: T. Kumasaka, odds 1.65, confidence 5.9 out of 10. This tip lost.
T. Kumasaka
J. Nam
04:30
Finished
0430
J. Nam
B. Shick
0
2
▴2.27
▾1.65
2
▾1.65
5726
U24.5
▾1.65
5.1/10
03:00
Finished
0300
J. Nam
Y. Kikuchi
2
0
▴1.7
▾2.11
2
▾2.11
636746
2
▾2.11
1.6/10
03:00
Finished
0300
T. Kumasaka
J. Nam
0
2
▾1.65
▴2.17
1
▾1.65
6476
1
▾1.65
5.9/10
H. Barton vs J. Nam, Challenger - Kobe, Japan, 03:20, Finished. Match winner odds: 1.31 for H. Barton, 3.07 for J. Nam. AI winner pick: H. Barton, odds 1.31, confidence 6.6 out of 10. This tip won. Predicted score: 4-6, 6-2, 6-3. Best AI tip: H. Barton, odds 1.31, confidence 6.6 out of 10. This tip won.
H. Barton
J. Nam
D. Ajduković vs J. Nam, Challenger - Kobe, Japan, Qualifying, 03:30, Finished. Match winner odds: 1.37 for D. Ajduković, 2.85 for J. Nam. AI winner pick: D. Ajduković, odds 1.37, confidence 6.2 out of 10. This tip lost. Predicted score: 4-6, 6-3, 6-2. Best AI tip: D. Ajduković, odds 1.37, confidence 6.2 out of 10. This tip lost.
D. Ajduković
J. Nam
J. Nam vs T. Huang, Challenger - Kobe, Japan, Qualifying, 06:10, Finished. Match winner odds: 2.02 for J. Nam, 1.69 for T. Huang. AI winner pick: T. Huang, odds 1.69, confidence 6.1 out of 10. This tip lost. Predicted score: 4-6, 3-6. Best AI tip: T. Huang, odds 1.69, confidence 6.1 out of 10. This tip lost.
J. Nam
T. Huang
03:20
Finished
0320
H. Barton
J. Nam
2
1
1.31
3.07
1
1.31
466263
1
1.31
6.6/10
03:30
Finished
0330
D. Ajduković
J. Nam
1
2
1.37
2.85
1
1.37
466362
1
1.37
6.2/10
06:10
Finished
0610
J. Nam
T. Huang
2
0
2.02
1.69
2
1.69
4636
2
1.69
6.1/10
Record by surface
Hard
7-8
Clay
0-1
Overall
7-9
Our AI on this player
6 correct of 12
From the matches in our database
About Ji Sung Nam
Ji Sung Nam is a 33-year-old right-handed professional tennis player, currently ranked world No. 1038. Over the last 52 weeks the serve has landed 61.5% of first deliveries, winning 68.6% of those points. Breaking is the real weapon here: 28.3% of break chances get taken. No surface has produced a winning record so far — Hard 7-8, Clay 0-1.
Results keep swinging: 3 up and 2 down across the last 5. The longest match we have on record ran to 36 games, against H. Barton. Predictions cover match winner and score, alongside serve, return and break-point statistics. Most recently seen in our data at Challenger Shanghai China.
Serve & Return
First Serve %
65%
1st Serve Won
66%
2nd Serve Won
52.1%
Aces / Match
4
Double Faults / Match
2.3
Break Pts Saved
58.5%
Break Pts Converted
18.7%
Return Pts Won
35.9%
Service Hold %
61.1%
Total Pts Won
48.6%
Records
Last 12 months
0
Titles
0
Finals
0
Semis or better
11
Events played
Tournament Results
Kobe, Japan
Challenger
Round of 32
Miyazaki, Japan
Challenger
Round of 32
Taipei, Chinese Taipei Men Singles
Challenger
Round of 32
Yokohama, Japan
Challenger
Qualifying
Seoul, South Korea
Challenger
Qualifying
Busan, South Korea
Challenger
Qualifying
Zhangjiagang, China
Challenger
Qualifying
Nonthaburi, Thailand
Challenger
Qualifying
Phan Thiet 2, Vietnam
Challenger
Qualifying
Prostejov, Czech Republic
Challenger
Qualifying
Vicenza, Italy
Challenger
Qualifying
Deepest runs first, not by date
Season by season
2026so far
0–5
Won-lost
5
Matches
0–1
Tiebreaks
5.4
Aces / Match
4.2
Double Faults / Match
First Serve %
59.2%
1st Serve Won
65.1%
2nd Serve Won
45.8%
Break points won
28%
Break Pts Saved
62.9%
2025
7–9
Won-lost
16
Matches
3–2
Tiebreaks
2.5
Aces / Match
2.4
Double Faults / Match
First Serve %
58.9%
1st Serve Won
66.9%
2nd Serve Won
48.4%
Break points won
42.7%
Break Pts Saved
62.8%
2024
13–13
Won-lost
26
Matches
3–4
Tiebreaks
2.6
Aces / Match
3.7
Double Faults / Match
First Serve %
58.5%
1st Serve Won
64.5%
2nd Serve Won
47.4%
Break points won
46.7%
Break Pts Saved
55.7%
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 Ji Sung Nam?
+
Our model has graded 12 matches involving Ji Sung Nam and got 6 right — a hit rate of 50%. Every completed pick stays on the page, so the figure can be checked.