

The basics
Quick facts
Intro
South Korean tennis player
Gender:
Male
Places:
Work field:
Birth:
15 August 1993(Busan, South Korea)
Star sign:
Residences
Seoul, Empire of Japan, South Korea
The details
Biography
Introduction
Nam Ji-sung (born 15 August 1993, in Busan) is a South Korean tennis player.
Nam has a career high ATP singles ranking of 236 achieved on 12 August 2019. He also has a career high ATP doubles ranking of 102 achieved on 3 February 2020.
Playing for South Korea in Davis Cup, Nam has a W/L record of 3–5.
Challenger and Futures finals
Singles: 13 (4–9)
| Titles by Surface |
|---|
| Legend (Singles) |
| ATP Challenger Tour (0–2) |
| ITF Futures Tour (4–7) |
| Titles by Surface |
| Hard (2–8) |
| Clay (2–1) |
| Grass (0–0) |
| Carpet (0–0) |
| ATP Challenger Tour (0–2) |
| ITF Futures Tour (4–7) |
| Hard (2–8) |
| Clay (2–1) |
| Grass (0–0) |
| Carpet (0–0) |
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
|---|---|---|---|---|---|---|---|
| Win | Jun 2012 | Japan F5, Karuizawa | Futures | Clay | Adam El Mihdawy | 6–4, 6–4 | |
| Loss | Jul 2012 | Indonesia F1, Jakarta | Futures | Hard | Christopher Rungkat | 6–7, 1–6 | |
| Loss | Feb 2014 | Thailand F1, Nonthaburi | Futures | Hard | Chung Hyeon | 2–6, 6–7 | |
| Loss | Jun 2016 | Korea F2, Sangju | Futures | Hard | Noh Sang-woo | 4–6, 1–6 | |
| Win | Aug 2016 | Korea F6, Ansung | Futures | Clay (i) | Makoto Ochi | 5–7, 6–1, 6–1 | |
| Loss | Sep 2016 | Korea F8, Ansung | Futures | Clay (i) | Lim Yong-kyu | 0–6, 3–6 | |
| Loss | May 2018 | Vietnam F2, Thừa Thiên-Huế | Futures | Hard | Rio Noguchi | 6–7, 3–6 | |
| Win | May 2018 | Vietnam F3, Thừa Thiên-Huế | Futures | Hard | Pruchya Isaro | 6–4, 6–2 | |
| Loss | Jun 2018 | Korea F2, Gyeongsan | Futures | Hard | Chung Yun-seong | 4–6, 3–6 | |
| Loss | Jun 2018 | Korea F3, Daegu | Futures | Hard | Chung Yun-seong | 1–6, 3–6 | |
| Loss | Aug 2018 | Gwangju, Korea, Rep. | Challenger | Hard | Maverick Banes | 3–6, 6–4, 4–6 | |
| Win | Aug 2018 | Korea F5, Gimcheon | Futures | Hard | Makoto Ochi | 6–4, 6–1 | |
| Loss | Jun 2019 | Columbus, USA | Challenger | Hard (i) | Mikael Torpegaard | 1–6, 5–7 |
Doubles: 42 (19–23)
| Titles by Surface |
|---|
| Legend (Doubles) |
| ATP Challenger Tour (3–8) |
| ITF Futures Tour (16–15) |
| Titles by Surface |
| Hard (17–21) |
| Clay (2–2) |
| Grass (0–0) |
| Carpet (0–0) |
| ATP Challenger Tour (3–8) |
| ITF Futures Tour (16–15) |
| Hard (17–21) |
| Clay (2–2) |
| Grass (0–0) |
| Carpet (0–0) |
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|---|---|
| Loss | Apr 2011 | Australia F3, Ipswich | Futures | Clay | Cho Soong-jae | James Lemke Dane Propoggia |
7–6, 2–6, [5–10] | |
| Win | May 2012 | China F7, Zhangjiagang | Futures | Hard | Noh Sang-woo | Gong Maoxin Xue Feng |
6–2, 6–4 | |
| Win | Jul 2012 | Indonesia F2, Jakarta | Futures | Hard | Lim Yong-kyu | Gao Peng Gao Wan |
6–2, 6–0 | |
| Loss | Aug 2012 | USA F23, Edwardsville | Futures | Hard | Chung Hyeon | Daniel Nguyen Ryan Rowe |
3–6, 5–7 | |
| Loss | Oct 2012 | Seoul, Korea, Rep. | Challenger | Hard | Lim Yong-kyu | Lee Hsin-han Peng Hsien-yin |
6–7, 5–7 | |
| Loss | Mar 2013 | USA F7, Calabasas | Futures | Hard | Lim Yong-kyu | Saketh Myneni Sanam Singh |
7–6, 2–6, [12–14] | |
| Loss | Mar 2013 | USA F8, Costa Mesa | Futures | Hard | Cho Min-hyeok | Michael McClune Michael Venus |
1–6, 3–6 | |
| Loss | May 2013 | Korea F2, Seoul | Futures | Hard | Chung Hyeon | An Jae-sung Lim Yong-kyu |
3–6, 2–6 | |
| Loss | May 2013 | Korea F3, Daegu | Futures | Hard | Lim Yong-kyu | Dane Propoggia Jose Statham |
1–6, 2–6 | |
| Win | Jun 2013 | Korea F4, Changwon | Futures | Hard | Lim Yong-kyu | Laurynas Grigelis Enrique López Pérez |
5–7, 6–4, [11–9] | |
| Loss | Jun 2013 | Korea F7, Gimcheon | Futures | Hard | Lim Yong-kyu | Huang Liang-chi Enrique López Pérez |
4–6, 2–6 | |
| Loss | Aug 2013 | China F7, Tianjin | Futures | Hard | Chung Hyeon | Sriram Balaji Ranjeet Virali-Murugesan |
3–6, 2–6 | |
| Loss | Sep 2013 | Bangkok, Thailand | Challenger | Hard | Jeong Suk-young | Chen Ti Huang Liang-chi |
3–6, 2–6 | |
| Win | Feb 2014 | Thailand F2, Nonthaburi | Futures | Hard | Chung Hyeon | Lewis Burton Marcus Willis |
6–4, 6–7, [10–7] | |
| Loss | Mar 2014 | Thailand F3, Nonthaburi | Futures | Hard | Chung Hyeon | Lewis Burton Marcus Willis |
3–6, 5–7 | |
| Loss | Mar 2014 | China F3, Yuxi | Futures | Hard | Lim Yong-kyu | Li Zhe Wu Di |
4–6, 4–6 | |
| Loss | May 2014 | Korea F2, Seoul | Futures | Hard | Chung Hong | Dane Propoggia Ruan Roelofse |
0–6, 3–6 | |
| Win | Jun 2014 | Korea F3, Changwon | Futures | Hard | Chung Hyeon | Cho Soong-jae Kim Dylan Seong-kwan |
6–3, 6–3 | |
| Win | Jul 2014 | China F9, Zhangjiagang | Futures | Hard | Cho Min-hyeok | Qiu Zhuoyang Te Rigele |
6–3, 6–4 | |
| Loss | May 2015 | Busan, Korea, Rep. | Challenger | Hard | Song Min-kyu | Sanchai Ratiwatana Sonchat Ratiwatana |
6–7, 6–3, [7–10] | |
| Loss | May 2015 | Korea F1, Daegu | Futures | Hard | Song Min-kyu | Hong Seong-chan Lee Hyung-taik |
3–6, 3–6 | |
| Win | May 2015 | Korea F2, Changwon | Futures | Hard | Song Min-kyu | Choi Jae-won Kim Hyun-joon |
6–2, 5–7, [10–6] | |
| Win | Aug 2015 | Korea F5, Gimcheon | Futures | Hard | Noh Sang-woo | Gengo Kikuchi Shunrou Takeshima |
6–3, 7–6 | |
| Loss | Sep 2015 | Korea F6, Ansung | Futures | Clay (i) | Noh Sang-woo | Kwon Soon-woo Son Ji-hoon |
7–6, 3–6, [11–13] | |
| Win | Jun 2016 | Korea F2, Sangju | Futures | Hard | Song Min-kyu | Chung Yun-seong Lim Yong-kyu |
6–4, 6–4 | |
| Win | Jul 2016 | Korea F4, Gimcheon | Futures | Hard | Song Min-kyu | Shintaro Imai Takuto Niki |
6–4, 6–4 | |
| Loss | Jul 2016 | Korea F5, Gimcheon | Futures | Hard | Song Min-kyu | Kim Cheong-eui Noh Sang-woo |
6–7, 7–6, [4–10] | |
| Win | Sep 2016 | Korea F8, Ansung | Futures | Clay (i) | Song Min-kyu | Katsuki Nagao Hiromasa Oku |
6–4, 6–4 | |
| Win | May 2018 | Vietnam F3, Thừa Thiên-Huế | Futures | Hard | Song Min-kyu | Kittirat Kerdlaphee Palaphoom Kovapitukted |
6–1, 6–4 | |
| Win | Jun 2018 | Korea F1, Sangju | Futures | Hard | Lim Yong-kyu | Alec Adamson Clément Larrière |
4–6, 6–4, [10–5] | |
| Win | Jun 2018 | Korea F2, Gyeongsan | Futures | Hard | Lim Yong-kyu | John Paul Fruttero Takuto Niki |
6–4, 6–1 | |
| Win | Jul 2018 | China F9, Shenzhen | Futures | Hard | Song Min-kyu | Gao Xin Wang Aoran |
3–6, 6–4, [10–4] | |
| Win | Jul 2018 | China F10, Shenzhen | Futures | Hard | Song Min-kyu | Chen Ti Rubin Statham |
7–6, 6–2 | |
| Win | Aug 2018 | Gwangju, Korea, Rep. | Challenger | Hard | Song Min-kyu | Benjamin Lock Rubin Statham |
5–7, 6–3, [10–5] | |
| Loss | Aug 2018 | Korea F5, Gimcheon | Futures | Hard | Son Ji-hoon | Chung Hong Noh Sang-woo |
6–7, 6–4, [8–10] | |
| Loss | May 2019 | Gwangju, Korea, Rep. | Challenger | Hard | Song Min-kyu | Hsieh Cheng-peng Christopher Rungkat |
3–6, 6–3, [6–10] | |
| Loss | Jul 2019 | Nur-Sultan, Kazakhstan | Challenger | Hard | Chung Yun-seong | Andrey Golubev Aleksandr Nedovyesov |
4–6, 4–6 | |
| Loss | Aug 2019 | Chengdu, China, P.R. | Challenger | Hard | Song Min-kyu | Arjun Kadhe Saketh Myneni |
3–6, 6–0, [6–10] | |
| Win | Aug 2019 | Yokkaichi, Japan | Challenger | Hard | Song Min-kyu | Gong Maoxin Zhang Ze |
6–3, 3–6, [14–12] | |
| Win | Aug 2019 | Baotou, China, P.R. | Challenger | Clay (i) | Song Min-kyu | Teymuraz Gabashvili Sasikumar Mukund |
7–6, 6–2 | |
| Loss | Sep 2019 | Jinan, China, P.R. | Challenger | Hard | Song Min-kyu | Matthew Ebden Divij Sharan |
6–7, 7–5, [3–10] | |
| Loss | Oct 2019 | Liuzhou, China, P.R. | Challenger | Hard | Song Min-kyu | Denis Istomin Mikhail Elgin |
6–3, 4–6, [6–10] |