Prediction of Ji Sung Nam vs Davy Sum Head-to-Head, At

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
J. Sung Nam vs D. Sum

Ji Sung Nam

KOR

2

Win

Played

0

Win

Age

6'0" (183 cm)

Height

716

C. Rank

Ret.

236

Best Rank

585

Total Titles

YTD Titles

$1.4K

Career Money

Right-Handed

Plays

Right-Handed

Davy Sum

FRA

2

Win

Played

0

Win

Age

6'0" (183 cm)

Height

716

C. Rank

Ret.

236

Best Rank

585

Total Titles

YTD Titles

$1.4K

Career Money

Right-Handed

Plays

Right-Handed

Head-to-head: Nam 2 - 0 Sum

They have played 4 sets in total, with Ji Sung Nam winning 4 and Davy Sum winning 0. The last match between Ji Sung Nam and Davy Sum was at the Hong Kong F3, 17-12-2012, Round: R2, Surface: Hard, with Ji Sung Nam getting the victory 6-1 2-0 ret..

Players	Head To Head Match Wins
Nam	2
Sum	0

Last 2 H2H Matches:

(R2) Hong Kong F3(12-17-12)

Stats

Ji Sung Nam

Davy Sum

(R2) Hong Kong F2(12-10-12)

Stats

Ji Sung Nam

Davy Sum

J. S. Nam vs D. Sum H2H Profile

J. S. Nam	Stats	D. Sum
$1,445	Career Prize Money	$0
56.34% (311-241)	Career Total W/L	50.46% (55-54)
2	Hard	0
6	Titles	0
2	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0% (0-0)

J. S. Nam vs D. Sum 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 Davy Sum has won 0%. 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 Davy Sum has won 0%. The same stats for first serve returns are 27.00% and 0% 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 Davy Sum has saved 0% 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 Davy Sum winning 0% (W/L 0/0) 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). Davy Sum has their best career surface win % on Hard, winning 58% (W/L 17/13), and worse career win % on Clay, winning 43% (W/L 16/21).
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 Davy Sum has played most of their matches on the N/A, winning 0% of matches (W/L 0/0). 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 2 times before with Ji Sung Nam winning 2 times and Davy Sum being victorious 0 times. They have played 4 sets in total, with Ji Sung Nam winning 4 and Davy Sum winning 0.
The last match between Ji Sung Nam and Davy Sum was at the Hong Kong F3, 17-12-2012, Round: R2, Surface: Hard, with Ji Sung Nam getting the victory 6-1 2-0 ret..
Head to head match duration: In past head to head matches, the average match time between these players has been 0:0:0.
Opponent quality stats: Over the last 12 months, Ji Sung Nam has played against opponents with an average rank of 375.79 while Davy Sum has played against players with an average rank of 0.
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 Davy Sum has won 0% in all matches played on tour.
Break point conversion: In recent form, Ji Sung Nam has converted 39.62% of breakpoint opportunities, and Davy Sum has converted 0% 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 Davy Sum Editorial Preview By TennisTipster88.

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

J. S. Nam	Stats	D. Sum
2	H2H Matches Won	0
4	Sets Won	0
20	Games Won	7
0:0:0	Average Match Time	0:0:0
100% (2/2)	Best‑of‑3 Win %	0% (0/2)
100% (2/2)	1st Set Won, Won Match	0% (0/0)
0% (0/2)	1st Set Won, Lost Match	0% (0/0)
0% (0/0)	1st Set Lost, Won Match	0% (0/2)

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. Sum Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
France F18 - 12-09-2016
Q1 Loic RatsaratanyL. Ratsaratany	W	1-6 6-4 6-2	Stats
Q3 Mathieu RoyM. Roy	L	6-0 6-2	Stats
France F20 - 28-09-2015
Q1 Felix MullerF. Muller	W	6-0 6-1	Stats
R1 Lucas BouquetL. Bouquet	W	6-4 7-5	Stats
R2 Goncalo OliveiraG. Oliveira	L	6-3 6-4	Stats

View All

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

J. S. Nam	Stats	D. Sum
56.34% (311/241)	YTD Win/Loss	50.46% (55/54)
55.80% (698/553)	Sets Win/Loss	51.75% (133/124)
52.37% (6070/5520)	Games Win/Loss	50.56% (1168/1142)
57.88% (257/187)	Hard Win/Loss	56.67% (17/13)
50.00% (28/28)	Clay Win/Loss	43.24% (16/21)
51.02% (25/24)	Indoor Hard W/L	52.38% (22/20)
33.33% (1/2)	Grass Win/Loss	0% (0/0)
0.18	Aces Per Game	0.01
1047	Aces Total	11
0.17	Double Faults Per Game	0.01
982	Total Double Faults	10
1st Match	Average Match Time	1st Match
577.57	Average Opponent Rank	595.89
65% (14629/22558)	1st Serve %	60% (138/231)
68% (9882/14629)	1st Serve Win %	68% (94/138)
49% (3878/7929)	2nd Serve Win %	44% (41/93)
44% (1184/2688)	Break Points Won % (Total)	41% (9/22)
43% (10166/23771)	Return Points Win %	40% (99/247)
0.00% (0/1)	Slam W/L	0% (0/0)
50.00% (3/3)	Cups W/L	0% (0/0)
20.00% (1/4)	Main Tour W/L	0% (0/0)
50.00% (112/112)	Challenger W/L	0.00% (0/1)
61.71% (195/121)	Futures W/L	50.93% (55/53)
56% (301/536)	Best of 3 Sets Win %	51% (55/107)
100% (4/4)	Best of 5 Sets Win %	0% (0/2)
53% (77/144)	Tiebreaks Win % (Total)	71% (15/21)
47% (74/156)	Deciding Set Win %	43% (16/37)
86% (311/266)	1st Set Won, Won Match	77% (61/47)
14% (311/44)	1st Set Won, Lost Match	23% (61/14)
19% (240/45)	1st Set Lost, Won Match	17% (48/8)