Nam Ji-Sung

Nam Ji-sung (born 15 August 1993) is a South Korean tennis player.

He has a career high ATP singles ranking of world No. 236 achieved on 12 August 2019. He also has a career high ATP doubles ranking of No. 102 achieved on 3 February 2020.

Nam Ji-sung
Full nameNam Ji-sung
Country (sports)Nam Ji-Sung South Korea
ResidenceSeoul, South Korea
Born (1993-08-15) 15 August 1993 (age 30)
Busan, South Korea
PlaysRight-handed (two handed-backhand)
Prize money$293,832
Singles
Career record3–6 (33.3% in ATP Tour level, Grand Slam level, and in Davis Cup)
Career titles0
Highest rankingNo. 236 (12 August 2019)
Current rankingNo. 708 (15 April 2024)
Grand Slam singles results
Australian OpenQ1 (2020)
Doubles
Career record9–14 (39.1% in ATP Tour level, Grand Slam level, and in Davis Cup)
Career titles0
Highest rankingNo. 102 (3 February 2020)
Current rankingNo. 123 (15 April 2024)
Grand Slam doubles results
Australian Open2R (2020, 2021)
Team competitions
Davis Cup3–7
Last updated on: 15 April 2024.
Nam Ji-sung
Hangul
남지성
Revised RomanizationNam Jiseong
McCune–ReischauerNam Chisŏng

Playing for South Korea in Davis Cup, Nam has a W/L record of 3–7.

Challenger and Futures/World Tennis Tour finals

Singles: 16 (5–11)

Legend (singles)
ATP Challenger Tour (0–2)
ITF Futures/World Tennis Tour (5–9)
Titles by surface
Hard (3–10)
Clay (2–1)
Grass (0–0)
Carpet (0–0)
Result W–L    Date    Tournament Tier Surface Opponent Score
Win 1–0 Jun 2012 Japan F5, Karuizawa Futures Clay Nam Ji-Sung  Adam El Mihdawy 6–4, 6–4
Loss 1–1 Jul 2012 Indonesia F1, Jakarta Futures Hard Nam Ji-Sung  Christopher Rungkat 6–7(5–7), 1–6
Loss 1–2 Feb 2014 Thailand F1, Nonthaburi Futures Hard Nam Ji-Sung  Chung Hyeon 2–6, 6–7(4–7)
Loss 1–3 Jun 2016 Korea F2, Sangju Futures Hard Nam Ji-Sung  Noh Sang-woo 4–6, 1–6
Win 2–3 Aug 2016 Korea F6, Ansung Futures Clay (i) Nam Ji-Sung  Makoto Ochi 5–7, 6–1, 6–1
Loss 2–4 Sep 2016 Korea F8, Ansung Futures Clay (i) Nam Ji-Sung  Lim Yong-kyu 0–6, 3–6
Loss 2–5 May 2018 Vietnam F2, Thừa Thiên-Huế Futures Hard Nam Ji-Sung  Rio Noguchi 6–7(5–7), 3–6
Win 3–5 May 2018 Vietnam F3, Thừa Thiên-Huế Futures Hard Nam Ji-Sung  Pruchya Isaro 6–4, 6–2
Loss 3–6 Jun 2018 Korea F2, Gyeongsan Futures Hard Nam Ji-Sung  Chung Yun-seong 4–6, 3–6
Loss 3–7 Jun 2018 Korea F3, Daegu Futures Hard Nam Ji-Sung  Chung Yun-seong 1–6, 3–6
Loss 3–8 Aug 2018 Gwangju, Korea, Rep. Challenger Hard Nam Ji-Sung  Maverick Banes 3–6, 6–4, 4–6
Win 4–8 Aug 2018 Korea F5, Gimcheon Futures Hard Nam Ji-Sung  Makoto Ochi 6–4, 6–1
Loss 4–9 Mar 2019 M15 Nishi-Tama, Japan World Tennis Tour Hard Nam Ji-Sung  Shintaro Imai 2–6, 2–6
Loss 4–10 May 2019 M25 Nonthaburi, Thailand World Tennis Tour Hard Nam Ji-Sung  Shuichi Sekiguchi 1–6, 4–6
Loss 4–11 Jun 2019 Columbus, USA Challenger Hard (i) Nam Ji-Sung  Mikael Torpegaard 1–6, 5–7
Win 5–11 Apr 2022 M15 Chiang Rai, Thailand World Tennis Tour Hard Nam Ji-Sung  Bai Yan 6–2, 6-4

Doubles: 65 (34 titles, 31 runners-up)

Legend (doubles)
ATP Challenger Tour (7–12)
ITF Futures Tour (27–19)
Titles by surface
Hard (30–29)
Clay (4–2)
Grass (0–0)
Carpet (0–0)
Result W–L    Date    Tournament Tier Surface Partner Opponents Score
Loss 0–1 Apr 2011 Australia F3, Ipswich Futures Clay Nam Ji-Sung  Cho Soong-jae Nam Ji-Sung  James Lemke
Nam Ji-Sung  Dane Propoggia
7–6(7–4), 2–6, [5–10]
Win 1–1 May 2012 China F7, Zhangjiagang Futures Hard Nam Ji-Sung  Noh Sang-woo Nam Ji-Sung  Gong Maoxin
Nam Ji-Sung  Xue Feng
6–2, 6–4
Win 2–1 Jul 2012 Indonesia F2, Jakarta Futures Hard Nam Ji-Sung  Lim Yong-kyu Nam Ji-Sung  Gao Peng
Nam Ji-Sung  Gao Wan
6–2, 6–0
Loss 2–2 Aug 2012 USA F23, Edwardsville Futures Hard Nam Ji-Sung  Chung Hyeon Nam Ji-Sung  Daniel Nguyen
Nam Ji-Sung  Ryan Rowe
3–6, 5–7
Loss 2–3 Oct 2012 Seoul, Korea, Rep. Challenger Hard Nam Ji-Sung  Lim Yong-kyu Nam Ji-Sung  Lee Hsin-han
Nam Ji-Sung  Peng Hsien-yin
6–7(3–7), 5–7
Loss 2–4 Mar 2013 USA F7, Calabasas Futures Hard Nam Ji-Sung  Lim Yong-kyu Nam Ji-Sung  Saketh Myneni
Nam Ji-Sung  Sanam Singh
7–6(7–3), 2–6, [12–14]
Loss 2–5 Mar 2013 USA F8, Costa Mesa Futures Hard Nam Ji-Sung  Cho Min-hyeok Nam Ji-Sung  Michael McClune
Nam Ji-Sung  Michael Venus
1–6, 3–6
Loss 2–6 May 2013 Korea F2, Seoul Futures Hard Nam Ji-Sung  Chung Hyeon Nam Ji-Sung  An Jae-sung
Nam Ji-Sung  Lim Yong-kyu
3–6, 2–6
Loss 2–7 May 2013 Korea F3, Daegu Futures Hard Nam Ji-Sung  Lim Yong-kyu Nam Ji-Sung  Dane Propoggia
Nam Ji-Sung  Rubin Statham
1–6, 2–6
Win 3–7 Jun 2013 Korea F4, Changwon Futures Hard Nam Ji-Sung  Lim Yong-kyu Nam Ji-Sung  Laurynas Grigelis
Nam Ji-Sung  Enrique López Pérez
5–7, 6–4, [11–9]
Loss 3–8 Jun 2013 Korea F7, Gimcheon Futures Hard Nam Ji-Sung  Lim Yong-kyu Nam Ji-Sung  Huang Liang-chi
Nam Ji-Sung  Enrique López Pérez
4–6, 2–6
Loss 3–9 Aug 2013 China F7, Tianjin Futures Hard Nam Ji-Sung  Chung Hyeon Nam Ji-Sung  Sriram Balaji
Nam Ji-Sung  Ranjeet Virali-Murugesan
3–6, 2–6
Loss 3–10 Sep 2013 Bangkok, Thailand Challenger Hard Nam Ji-Sung  Jeong Suk-young Nam Ji-Sung  Chen Ti
Nam Ji-Sung  Huang Liang-chi
3–6, 2–6
Win 4–10 Feb 2014 Thailand F2, Nonthaburi Futures Hard Nam Ji-Sung  Chung Hyeon Nam Ji-Sung  Lewis Burton
Nam Ji-Sung  Marcus Willis
6–4, 6–7(4–7), [10–7]
Loss 4–11 Mar 2014 Thailand F3, Nonthaburi Futures Hard Nam Ji-Sung  Chung Hyeon Nam Ji-Sung  Lewis Burton
Nam Ji-Sung  Marcus Willis
3–6, 5–7
Loss 4–12 Mar 2014 China F3, Yuxi Futures Hard Nam Ji-Sung  Lim Yong-kyu Nam Ji-Sung  Li Zhe
Nam Ji-Sung  Wu Di
4–6, 4–6
Loss 4–13 May 2014 Korea F2, Seoul Futures Hard Nam Ji-Sung  Chung Hong Nam Ji-Sung  Dane Propoggia
Nam Ji-Sung  Ruan Roelofse
0–6, 3–6
Win 5–13 Jun 2014 Korea F3, Changwon Futures Hard Nam Ji-Sung  Chung Hyeon Nam Ji-Sung  Cho Soong-jae
Nam Ji-Sung  Kim Dylan Seong-kwan
6–3, 6–3
Win 6–13 Jul 2014 China F9, Zhangjiagang Futures Hard Nam Ji-Sung  Cho Min-hyeok Nam Ji-Sung  Qiu Zhuoyang
Nam Ji-Sung  Te Rigele
6–3, 6–4
Loss 6–14 May 2015 Busan, Korea, Rep. Challenger Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Sanchai Ratiwatana
Nam Ji-Sung  Sonchat Ratiwatana
6–7(2–7), 6–3, [7–10]
Loss 6–15 May 2015 Korea F1, Daegu Futures Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Hong Seong-chan
Nam Ji-Sung  Lee Hyung-taik
3–6, 3–6
Win 7–15 May 2015 Korea F2, Changwon Futures Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Choi Jae-won
Nam Ji-Sung  Kim Hyun-joon
6–2, 5–7, [10–6]
Win 8–15 Aug 2015 Korea F5, Gimcheon Futures Hard Nam Ji-Sung  Noh Sang-woo Nam Ji-Sung  Gengo Kikuchi
Nam Ji-Sung  Shunrou Takeshima
6–3, 7–6(7–3)
Loss 8–16 Sep 2015 Korea F6, Ansung Futures Clay (i) Nam Ji-Sung  Noh Sang-woo Nam Ji-Sung  Kwon Soon-woo
Nam Ji-Sung  Son Ji-hoon
7–6(7–4), 3–6, [11–13]
Win 9–16 Jun 2016 Korea F2, Sangju Futures Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Chung Yun-seong
Nam Ji-Sung  Lim Yong-kyu
6–4, 6–4
Win 10–16 Jul 2016 Korea F4, Gimcheon Futures Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Shintaro Imai
Nam Ji-Sung  Takuto Niki
6–4, 6–4
Loss 10–17 Jul 2016 Korea F5, Gimcheon Futures Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Kim Cheong-eui
Nam Ji-Sung  Noh Sang-woo
6–7(5–7), 7–6(7–4), [4–10]
Win 11–17 Sep 2016 Korea F8, Ansung Futures Clay (i) Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Katsuki Nagao
Nam Ji-Sung  Hiromasa Oku
6–4, 6–4
Win 12–17 May 2018 Vietnam F3, Thừa Thiên-Huế Futures Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Kittirat Kerdlaphee
Nam Ji-Sung  Palaphoom Kovapitukted
6–1, 6–4
Win 13–17 Jun 2018 Korea F1, Sangju Futures Hard Nam Ji-Sung  Lim Yong-kyu Nam Ji-Sung  Alec Adamson
Nam Ji-Sung  Clément Larrière
4–6, 6–4, [10–5]
Win 14–17 Jun 2018 Korea F2, Gyeongsan Futures Hard Nam Ji-Sung  Lim Yong-kyu Nam Ji-Sung  John Paul Fruttero
Nam Ji-Sung  Takuto Niki
6–4, 6–1
Win 15–17 Jul 2018 China F9, Shenzhen Futures Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Gao Xin
Nam Ji-Sung  Wang Aoran
3–6, 6–4, [10–4]
Win 16–17 Jul 2018 China F10, Shenzhen Futures Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Chen Ti
Nam Ji-Sung  Rubin Statham
7–6(7–3), 6–2
Win 17–17 Aug 2018 Gwangju, Korea, Rep. Challenger Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Benjamin Lock
Nam Ji-Sung  Rubin Statham
5–7, 6–3, [10–5]
Loss 17–18 Aug 2018 Korea F5, Gimcheon Futures Hard Nam Ji-Sung  Son Ji-hoon Nam Ji-Sung  Chung Hong
Nam Ji-Sung  Noh Sang-woo
6–7(4–7), 6–4, [8–10]
Win 18–18 Mar 2019 M15 Nishitokyo, Japan World Tennis Tour Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Shintaro Imai
Nam Ji-Sung  Takuto Niki
4–6, 7–6(7–4), [10–7]
Loss 18–19 Apr 2019 M15 Kashiwa, Japan World Tennis Tour Hard Nam Ji-Sung  Kim Cheong-Eui Nam Ji-Sung  Yusuke Takahashi
Nam Ji-Sung  Jumpei Yamasaki
1–6, 3–6
Loss 18–20 Apr 2019 M25 Matsuyama, Japan World Tennis Tour Hard Nam Ji-Sung  Kim Cheong-Eui Nam Ji-Sung  Shinji Hazawa
Nam Ji-Sung  Naoki Tajima
6–4, 1–6, [7–10]
Loss 18–21 May 2019 Gwangju, Korea, Rep. Challenger Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Hsieh Cheng-peng
Nam Ji-Sung  Christopher Rungkat
3–6, 6–3, [6–10]
Win 19–21 May 2019 M25 Nonthaburi, Thailand World Tennis Tour Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Sanchai Ratiwatana
Nam Ji-Sung  Sonchat Ratiwatana
7–6(10–8), 6–1
Loss 19–22 Jul 2019 Nur-Sultan, Kazakhstan Challenger Hard Nam Ji-Sung  Chung Yun-seong Nam Ji-Sung  Andrey Golubev
Nam Ji-Sung  Aleksandr Nedovyesov
4–6, 4–6
Loss 19–23 Aug 2019 Chengdu, China, P.R. Challenger Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Arjun Kadhe
Nam Ji-Sung  Saketh Myneni
3–6, 6–0, [6–10]
Win 20–23 Aug 2019 Yokkaichi, Japan Challenger Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Gong Maoxin
Nam Ji-Sung  Zhang Ze
6–3, 3–6, [14–12]
Win 21–23 Aug 2019 Baotou, China, P.R. Challenger Clay (i) Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Teymuraz Gabashvili
Nam Ji-Sung  Sasikumar Mukund
7–6(7–3), 6–2
Loss 21–24 Sep 2019 Jinan, China, P.R. Challenger Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Matthew Ebden
Nam Ji-Sung  Divij Sharan
6–7(4–7), 7–5, [3–10]
Loss 21–25 Oct 2019 Liuzhou, China, P.R. Challenger Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Denis Istomin
Nam Ji-Sung  Mikhail Elgin
6–3, 4–6, [6–10]
Win 22–25 Nov 2019 M15 Nonthaburi, Thailand World Tennis Tour Hard Nam Ji-Sung  Chung Hong Nam Ji-Sung  Lee Jea-moon
Nam Ji-Sung  Song Min-kyu
1–6, 6–3, [10–7]
Win 23–25 Jun 2021 M15 Monastir, Tunisia World Tennis Tour Hard Nam Ji-Sung  Hong Seong-chan Nam Ji-Sung  Matías Franco Descotte
Nam Ji-Sung  Filip Peliwo
6–3, 6–1
Win 24–25 Jun 2021 M15 Monastir, Tunisia World Tennis Tour Hard Nam Ji-Sung  Hong Seong-chan Nam Ji-Sung  Timur Kiyamov
Nam Ji-Sung  Kelsey Stevenson
6–2, 6–4
Win 25–25 Jan 2022 M15 Antalya, Turkey World Tennis Tour Clay Nam Ji-Sung  Hong Seong-chan Nam Ji-Sung  Dragoș Nicolae Mădăraș
Nam Ji-Sung  Oleksandr Ovcharenko
6–3, 6–3
Win 26–25 Jan 2022 M15 Antalya, Turkey World Tennis Tour Clay Nam Ji-Sung  Hong Seong-chan Nam Ji-Sung  Sarp Ağabigün
Nam Ji-Sung  Alexandru Jecan
6–4, 6–4
Win 27–25 Mar 2022 M25 Bakersfield, United States World Tennis Tour Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Daniel Cukierman
Nam Ji-Sung  Ruan Roelofse
6–2, 6–0
Win 28–25 Mar 2022 M25 Calabasas, United States World Tennis Tour Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Charles Broom
Nam Ji-Sung  Henry Patten
6–3, 7–6(7–4)
Loss 28–26 Apr 2022 M15 Chiang Rai, Thailand World Tennis Tour Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Hong Seong-chan
Nam Ji-Sung  Kim Cheong-Eui
6–4, 6–7(2–7), [8–10]
Win 29–26 Apr 2022 M15 Chiang Rai, Thailand World Tennis Tour Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Shinji Hazawa
Nam Ji-Sung  Takuto Niki
6–1, 6–4
Win 30–26 Apr 2022 M15 Chiang Rai, Thailand World Tennis Tour Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Bai Yan
Nam Ji-Sung  Kim Cheong-Eui
6–2, 6–4
Loss 30–27 Jun 2022 M25 Harmon, Guam World Tennis Tour Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Toshihide Matsui
Nam Ji-Sung  Kaito Uesugi
3–6, 6–0, [7–10]
Win 31–27 Jul 2022 Nur-Sultan, Kazakhstan Challenger Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Andrew Paulson
Nam Ji-Sung  David Poljak
6–2, 3–6, [10–6]
Loss 31–28 Aug 2022 Nonthaburi, Thailand Challenger Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Evgeny Donskoy
Nam Ji-Sung  Alibek Kachmazov
3–6, 6–1, [7–10]
Loss 31–29 Oct 2022 Busan, South Korea Challenger Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Marc Polmans
Nam Ji-Sung  Max Purcell
7–6(7–5), 2–6, [10–12]
Win 32–29 Jan 2023 Nonthaburi, Thailand Challenger Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Jan Choinski
Nam Ji-Sung  Stuart Parker
6–4, 6–4
Win 33–29 Jun 2023 Little Rock, USA Challenger Hard Nam Ji-Sung  Artem Sitak Nam Ji-Sung  Alexis Galarneau
Nam Ji-Sung  Nicolas Moreno de Alboran
6–4, 6–4
Win 34–29 Jul 2023 Pozoblanco, Spain Challenger Hard Nam Ji-Sung  Song Min-kyu Nam Ji-Sung  Luke Johnson
Nam Ji-Sung  Benjamin Lock
2–6, 6–4, [10–8]
Loss 34–30 Nov 2023 Sydney, Australia Challenger Hard Nam Ji-Sung  Ruben Gonzales Nam Ji-Sung  Ryan Seggerman
Nam Ji-Sung  Patrik Trhac
4–6, 4–6
Loss 34–31 Nov 2023 Kobe, Japan Challenger Hard Nam Ji-Sung  Andrew Harris Nam Ji-Sung  Evan King
Nam Ji-Sung  Reese Stalder
6–7(3–7), 6–2, [7–10]


Tags:

Nam Ji-Sung Challenger and FuturesWorld Tennis Tour finalsNam Ji-SungAssociation of Tennis ProfessionalsTennis

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