Ji Sung Nam vs Duckhee Lee Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
J. Sung Nam vs D. Lee

Ji Sung Nam

KOR

1

Win

Played

0

Win

Age

6'0" (183 cm)

Height

5'9" (175 cm)

716

C. Rank

747

236

Best Rank

130

Total Titles

YTD Titles

$1.4K

Career Money

$104.2K

Right-Handed

Plays

Right-Handed

Duckhee Lee

KOR

1

Win

Played

0

Win

Age

6'0" (183 cm)

Height

5'9" (175 cm)

716

C. Rank

747

236

Best Rank

130

Total Titles

YTD Titles

$1.4K

Career Money

$104.2K

Right-Handed

Plays

Right-Handed

Head-to-head: Nam 1 - 0 Lee

They have played 2 sets in total, with Ji Sung Nam winning 2 and Duckhee Lee winning 0. The last match between Ji Sung Nam and Duckhee Lee was at the Seoul Challenger, 30-04-2019, Round: R1, Surface: Hard, with Ji Sung Nam getting the victory 7-5 6-1.

Players	Head To Head Match Wins
Nam	1
Lee	0

Last 1 H2H Matches:

(R1) Seoul Challenger(04-30-19)

Stats

Ji Sung Nam

Duckhee Lee

J. S. Nam vs D. Lee H2H Profile

J. S. Nam	Stats	D. Lee
$1,445	Career Prize Money	$104,150
56.34% (311-241)	Career Total W/L	56.54% (359-276)
1	Hard	0
6	Titles	14
1	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0% (0-0)

J. S. Nam vs D. Lee Match Preview:

Second serve performance recent form: In recent form (last 6 months), Ji Sung Nam has won 42.30% of points on their second serve, while Duckhee Lee has won 42.62%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Ji Sung Nam, in recent form, has won 47.28% of their opponent's second serve points, while Duckhee Lee has won 47.50%. The same stats for first serve returns are 27.00% and 26.89% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Ji Sung Nam has saved 53.96% of breakpoints in recent form, whereas Duckhee Lee has saved 46.74% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Ji Sung Nam has won 58.97% of matches played (W/L 23/16), with Duckhee Lee winning 48.94% (W/L 23/24) that gives us an overall head-to head prediction overview.
Best surface: Ji Sung Nam has their best career surface win % on Hard, winning 58% (W/L 257/187), and worse career win % on Grass, winning 33% (W/L 1/2). Duckhee Lee has their best career surface win % on Hard, winning 58% (W/L 313/216), and worse career win % on Grass, winning 0% (W/L 0/4).
Player level: In the last year, Ji Sung Nam has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 69.57% of matches (W/L 16/7), where as Duckhee Lee has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 53.66% of matches (W/L 22/19). 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 Ji Sung Nam winning 1 times and Duckhee Lee being victorious 0 times. They have played 2 sets in total, with Ji Sung Nam winning 2 and Duckhee Lee winning 0.
The last match between Ji Sung Nam and Duckhee Lee was at the Seoul Challenger, 30-04-2019, Round: R1, Surface: Hard, with Ji Sung Nam getting the victory 7-5 6-1.
Head to head match duration: In past head to head matches, the average match time between these players has been 1:15:21.
Opponent quality stats: Over the last 12 months, Ji Sung Nam has played against opponents with an average rank of 375.79 while Duckhee Lee has played against players with an average rank of 381.81.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Ji Sung Nam has won 47% of deciding sets over the last 12 months, while Duckhee Lee has won 20% in all matches played on tour.
Break point conversion: In recent form, Ji Sung Nam has converted 39.62% of breakpoint opportunities, and Duckhee Lee has converted 36.79% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Ji Sung Nam vs Duckhee Lee Editorial Preview By TennisTipster88.

J. S. Nam vs D. Lee H2H Stats Used In Our Predictions

J. S. Nam	Stats	D. Lee
1	H2H Matches Won	0
2	Sets Won	0
13	Games Won	6
2	Aces (Total)	1
2	Total Double Faults	3
1:15:21	Average Match Time	1:15:21
59% (35/59)	1st Serve %	48% (25/52)
69% (24/35)	1st Serve Win %	64% (16/25)
50% (12/24)	2nd Serve Win %	26% (7/27)
55% (6/11)	Break Pts Won %	100% (2/2)
56% (29/52)	Return Points Win %	39% (23/59)
100% (1/1)	Best‑of‑3 Win %	0% (0/1)
100% (1/1)	1st Set Won, Won Match	0% (0/0)
0% (0/1)	1st Set Won, Lost Match	0% (0/0)
0% (0/0)	1st Set Lost, Won Match	0% (0/1)

Recent Performance Stats

J. S. Nam Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Yokohama Challenger - 17-11-2025
Q3 Igor Ribeiro MarcondesI. Ribeiro	L	6-4 6-4	Stats
Q1 Nathan TrouveN. Trouve	W	6-0 6-1	Stats
Kobe Challenger - 10-11-2025
R1 Hynek BartonH. Barton	L	6-7(8) 6-4 7-6(6)	Stats
Q3 Duje AjdukovicD. Ajdukovic	W	6-4 5-7 6-4	Stats
Q1 Tsung-Hao HuangT. Huang	W	6-2 6-3	Stats

View All

D. Lee Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Kobe Challenger - 10-11-2025
Q1 Neil OberleitnerN. Oberleitner	L	6-1 6-3	Stats
Seoul Challenger - 27-10-2025
Q1 Kasidit SamrejK. Samrej	L	6-1 6-3	Stats
Shenzhen Challenger - 13-10-2025
Q1 Luca CastelnuovoL. Castelnuovo	L	6-2 6-4	Stats
M25 Guiyang - 15-09-2025
R1 Alexandr BindaA. Binda	L	3-6 6-0 6-2	Stats
M15 Maanshan - 08-09-2025
R2 Jaesung ChoeJ. Choe	L	7-5 6-4	Stats

View All

J. S. Nam vs D. Lee Stats Breakdown Vs All H2H Opponents

J. S. Nam	Stats	D. Lee
56.34% (311/241)	YTD Win/Loss	56.54% (359/276)
55.80% (698/553)	Sets Win/Loss	56.02% (805/632)
52.37% (6070/5520)	Games Win/Loss	52.46% (6907/6259)
57.88% (257/187)	Hard Win/Loss	59.17% (313/216)
50.00% (28/28)	Clay Win/Loss	45.76% (27/32)
51.02% (25/24)	Indoor Hard W/L	44.19% (19/24)
33.33% (1/2)	Grass Win/Loss	0.00% (0/4)
0.18	Aces Per Game	0.18
1047	Aces Total	1128
0.17	Double Faults Per Game	0.27
982	Total Double Faults	1739
1st Match	Average Match Time	1:16:26
577.57	Average Opponent Rank	586.38
65% (14629/22558)	1st Serve %	61% (20798/34050)
68% (9882/14629)	1st Serve Win %	66% (13641/20798)
49% (3878/7929)	2nd Serve Win %	49% (6470/13252)
44% (1184/2688)	Break Points Won % (Total)	46% (1640/3585)
43% (10166/23771)	Return Points Win %	42% (14161/33965)
0.00% (0/1)	Slam W/L	42.86% (9/12)
50.00% (3/3)	Cups W/L	50.00% (2/2)
20.00% (1/4)	Main Tour W/L	30.00% (3/7)
50.00% (112/112)	Challenger W/L	46.84% (126/143)
61.71% (195/121)	Futures W/L	66.16% (219/112)
56% (301/536)	Best of 3 Sets Win %	57% (343/604)
100% (4/4)	Best of 5 Sets Win %	29% (4/14)
53% (77/144)	Tiebreaks Win % (Total)	54% (85/158)
47% (74/156)	Deciding Set Win %	49% (83/171)
86% (311/266)	1st Set Won, Won Match	83% (386/320)
14% (311/44)	1st Set Won, Lost Match	17% (386/65)
19% (240/45)	1st Set Lost, Won Match	15% (246/37)