Ji Sung Nam

🇰🇷South Korea· #818 (career high #236)· 33y· Right-handed· ATP

12–12 · last 52 weeks

12–10 on hard courts in the last 52 weeks.

Last match

Shanghai Challenger · QF · Hard · Sep 11, 2026

Hard 12–10Clay 0–2

Season	Total	Hard	Clay	Grass	Indoor
All	311–24056%	259–18658%	28–2949%	0–20%†	24–2252%
2026	6–843%	6–650%	0–20%†	—	—
2025	23–1659%	18–1260%	0–10%†	—	5–363%
2024	14–1647%	12–1055%	2–433%	0–10%†	0–10%†
2023	15–2043%	13–1546%	2–433%	—	0–10%†
2022	26–1958%	24–1365%	2–433%	—	0–10%†

† fewer than 5 matches

Records start with the 2011 season

Shanghai Challenger · ChallengerHard · 2026

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Surface

Level

Opponent rank

Window

Category	W–L	Win	Spread	Games	Hold
HardOpp ~#468	12–10	55%	−1.5	21.2	74%(22)
ClayOpp ~#540	0–2	0%	+4.0	21.0	71%(2)

Category	W–L	Win	Spread	Games	Hold
ChallengerOpp ~#468	12–12	50%	−1.1	21.2	74%(24)
vs 100+	9–11	45%	−0.3	22.1	72%(20)
vs Unranked	3–1	75%	−4.7	16.3	88%(4)
vs LeftiesOpp ~#473	1–3	25%	+1.0	22.5	73%(4)
vs RightiesOpp ~#459	9–9	50%	−0.7	21.4	72%(18)

Category	W–L	Win	Spread	Games	Hold
Later roundsOpp ~#359	2–4	33%	+0.3	23.7	74%(6)

Metric	L5	L10	L52 Wks
Hold %	86%	73%	74%
Break %	31%	22%	31%

L52 Wks:Ace rate 5.3%1st-serve points won 69%Dominance ratio 1.20

24 matches with serve stats

Averages exclude retirements and defaults