Nam Ji-sung
South Korean tennis player (born 1993)
From Wikipedia, the free encyclopedia
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. In 2024, he became the first Korean in 13 years to win the Busan Open in doubles.[1]
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FullnameNam Ji-sung
Country(sports)
South Korea
South KoreaResidenceSeoul, South Korea
Born15 August 1993
Busan, South Korea
Nam in 2026 | |
| Full name | Nam Ji-sung |
|---|---|
| Country (sports) | South Korea |
| Residence | Seoul, South Korea |
| Born | 15 August 1993 Busan, South Korea |
| Plays | Right-handed (two handed-backhand) |
| Prize money | $293,832 |
| Singles | |
| Career record | 3–6 |
| Career titles | 0 |
| Highest ranking | No. 236 (12 August 2019) |
| Current ranking | No. 708 (15 April 2024) |
| Grand Slam singles results | |
| Australian Open | Q1 (2020) |
| Doubles | |
| Career record | 11–18 |
| Career titles | 0 |
| Highest ranking | No. 102 (3 February 2020) |
| Current ranking | No. 143 (15 March 2026) |
| Grand Slam doubles results | |
| Australian Open | 2R (2020, 2021) |
| Team competitions | |
| Davis Cup | 3–7 |
| Last updated on: 15 April 2024. | |
Playing for South Korea in Davis Cup, Nam has a W/L record of 3–7.
Challenger and Futures/World Tennis Tour finals
Singles: 17 (6–11)
|
|
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
|---|---|---|---|---|---|---|---|
| Win | 1–0 | Jun 2012 | Japan F5, Karuizawa | Futures | Clay |  Adam El Mihdawy |
6–4, 6–4 |
| Loss | 1–1 | Jul 2012 | Indonesia F1, Jakarta | Futures | Hard |  Christopher Rungkat |
6–7(5–7), 1–6 |
| Loss | 1–2 | Feb 2014 | Thailand F1, Nonthaburi | Futures | Hard | Chung Hyeon |
2–6, 6–7(4–7) |
| Loss | 1–3 | Jun 2016 | Korea F2, Sangju | Futures | Hard | Noh Sang-woo |
4–6, 1–6 |
| Win | 2–3 | Aug 2016 | Korea F6, Ansung | Futures | Clay (i) |  Makoto Ochi |
5–7, 6–1, 6–1 |
| Loss | 2–4 | Sep 2016 | Korea F8, Ansung | Futures | Clay (i) | Lim Yong-kyu |
0–6, 3–6 |
| Loss | 2–5 | May 2018 | Vietnam F2, Thừa Thiên-Huế | Futures | Hard | Rio Noguchi |
6–7(5–7), 3–6 |
| Win | 3–5 | May 2018 | Vietnam F3, Thừa Thiên-Huế | Futures | Hard |  Pruchya Isaro |
6–4, 6–2 |
| Loss | 3–6 | Jun 2018 | Korea F2, Gyeongsan | Futures | Hard | Chung Yun-seong |
4–6, 3–6 |
| Loss | 3–7 | Jun 2018 | Korea F3, Daegu | Futures | Hard | Chung Yun-seong |
1–6, 3–6 |
| Loss | 3–8 | Aug 2018 | Gwangju, Korea, Rep. | Challenger | Hard |  Maverick Banes |
3–6, 6–4, 4–6 |
| Win | 4–8 | Aug 2018 | Korea F5, Gimcheon | Futures | Hard | Makoto Ochi |
6–4, 6–1 |
| Loss | 4–9 | Mar 2019 | M15 Nishi-Tama, Japan | World Tennis Tour | Hard | Shintaro Imai |
2–6, 2–6 |
| Loss | 4–10 | May 2019 | M25 Nonthaburi, Thailand | World Tennis Tour | Hard | Shuichi Sekiguchi |
1–6, 4–6 |
| Loss | 4–11 | Jun 2019 | Columbus, USA | Challenger | Hard (i) |  Mikael Torpegaard |
1–6, 5–7 |
| Win | 5–11 | Apr 2022 | M15 Chiang Rai, Thailand | World Tennis Tour | Hard |  Bai Yan |
6–2, 6-4 |
| Win | 6–11 | May 2025 | M15 Daegu, South Korea | World Tennis Tour | Hard | Park Ui-sung |
6–1, 6-2 |
Doubles: 81 (44 titles, 37 runners-up)
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|
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|---|---|
| Loss | 0–1 | Apr 2011 | Australia F3, Ipswich | Futures | Clay | Cho Soong-jae |
James Lemke Dane Propoggia |
7–6(7–4), 2–6, [5–10] |
| Win | 1–1 | May 2012 | China F7, Zhangjiagang | Futures | Hard | Noh Sang-woo |
Gong Maoxin Xue Feng |
6–2, 6–4 |
| Win | 2–1 | Jul 2012 | Indonesia F2, Jakarta | Futures | Hard | Lim Yong-kyu |
Gao Peng Gao Wan |
6–2, 6–0 |
| Loss | 2–2 | Aug 2012 | USA F23, Edwardsville | Futures | Hard | Chung Hyeon |
Daniel Nguyen Ryan Rowe |
3–6, 5–7 |
| Loss | 2–3 | Oct 2012 | Seoul, Korea, Rep. | Challenger | Hard | Lim Yong-kyu |
 Lee Hsin-han Peng Hsien-yin |
6–7(3–7), 5–7 |
| Loss | 2–4 | Mar 2013 | USA F7, Calabasas | Futures | Hard | Lim Yong-kyu |
 Saketh Myneni Sanam Singh |
7–6(7–3), 2–6, [12–14] |
| Loss | 2–5 | Mar 2013 | USA F8, Costa Mesa | Futures | Hard | Cho Min-hyeok |
Michael McClune Michael Venus |
1–6, 3–6 |
| Loss | 2–6 | May 2013 | Korea F2, Seoul | Futures | Hard | Chung Hyeon |
An Jae-sung Lim Yong-kyu |
3–6, 2–6 |
| Loss | 2–7 | May 2013 | Korea F3, Daegu | Futures | Hard | Lim Yong-kyu |
Dane Propoggia Rubin Statham |
1–6, 2–6 |
| Win | 3–7 | Jun 2013 | Korea F4, Changwon | Futures | Hard | Lim Yong-kyu |
 Laurynas Grigelis Enrique López Pérez |
5–7, 6–4, [11–9] |
| Loss | 3–8 | Jun 2013 | Korea F7, Gimcheon | Futures | Hard | Lim Yong-kyu |
Huang Liang-chi Enrique López Pérez |
4–6, 2–6 |
| Loss | 3–9 | Aug 2013 | China F7, Tianjin | Futures | Hard | Chung Hyeon |
Sriram Balaji Ranjeet Virali-Murugesan |
3–6, 2–6 |
| Loss | 3–10 | Sep 2013 | Bangkok, Thailand | Challenger | Hard | Jeong Suk-young |
Chen Ti Huang Liang-chi |
3–6, 2–6 |
| Win | 4–10 | Feb 2014 | Thailand F2, Nonthaburi | Futures | Hard | Chung Hyeon |
 Lewis Burton Marcus Willis |
6–4, 6–7(4–7), [10–7] |
| Loss | 4–11 | Mar 2014 | Thailand F3, Nonthaburi | Futures | Hard | Chung Hyeon |
Lewis Burton Marcus Willis |
3–6, 5–7 |
| Loss | 4–12 | Mar 2014 | China F3, Yuxi | Futures | Hard | Lim Yong-kyu |
Li Zhe Wu Di |
4–6, 4–6 |
| Loss | 4–13 | May 2014 | Korea F2, Seoul | Futures | Hard | Chung Hong |
Dane Propoggia Ruan Roelofse |
0–6, 3–6 |
| Win | 5–13 | Jun 2014 | Korea F3, Changwon | Futures | Hard | Chung Hyeon |
Cho Soong-jae Kim Dylan Seong-kwan |
6–3, 6–3 |
| Win | 6–13 | Jul 2014 | China F9, Zhangjiagang | Futures | Hard | Cho Min-hyeok |
Qiu Zhuoyang Te Rigele |
6–3, 6–4 |
| Loss | 6–14 | May 2015 | Busan, Korea, Rep. | Challenger | Hard | Song Min-kyu |
Sanchai Ratiwatana Sonchat Ratiwatana |
6–7(2–7), 6–3, [7–10] |
| Loss | 6–15 | May 2015 | Korea F1, Daegu | Futures | Hard | Song Min-kyu |
Hong Seong-chan Lee Hyung-taik |
3–6, 3–6 |
| Win | 7–15 | May 2015 | Korea F2, Changwon | Futures | Hard | Song Min-kyu |
Choi Jae-won Kim Hyun-joon |
6–2, 5–7, [10–6] |
| Win | 8–15 | Aug 2015 | Korea F5, Gimcheon | Futures | Hard | Noh Sang-woo |
Gengo Kikuchi Shunrou Takeshima |
6–3, 7–6(7–3) |
| Loss | 8–16 | Sep 2015 | Korea F6, Ansung | Futures | Clay (i) | Noh Sang-woo |
Kwon Soon-woo Son Ji-hoon |
7–6(7–4), 3–6, [11–13] |
| Win | 9–16 | Jun 2016 | Korea F2, Sangju | Futures | Hard | Song Min-kyu |
Chung Yun-seong Lim Yong-kyu |
6–4, 6–4 |
| Win | 10–16 | Jul 2016 | Korea F4, Gimcheon | Futures | Hard | Song Min-kyu |
Shintaro Imai Takuto Niki |
6–4, 6–4 |
| Loss | 10–17 | Jul 2016 | Korea F5, Gimcheon | Futures | Hard | Song Min-kyu |
Kim Cheong-eui Noh Sang-woo |
6–7(5–7), 7–6(7–4), [4–10] |
| Win | 11–17 | Sep 2016 | Korea F8, Ansung | Futures | Clay (i) | Song Min-kyu |
Katsuki Nagao Hiromasa Oku |
6–4, 6–4 |
| Win | 12–17 | May 2018 | Vietnam F3, Thừa Thiên-Huế | Futures | Hard | Song Min-kyu |
Kittirat Kerdlaphee Palaphoom Kovapitukted |
6–1, 6–4 |
| Win | 13–17 | Jun 2018 | Korea F1, Sangju | Futures | Hard | Lim Yong-kyu |
Alec Adamson Clément Larrière |
4–6, 6–4, [10–5] |
| Win | 14–17 | Jun 2018 | Korea F2, Gyeongsan | Futures | Hard | Lim Yong-kyu |
John Paul Fruttero Takuto Niki |
6–4, 6–1 |
| Win | 15–17 | Jul 2018 | China F9, Shenzhen | Futures | Hard | Song Min-kyu |
Gao Xin Wang Aoran |
3–6, 6–4, [10–4] |
| Win | 16–17 | Jul 2018 | China F10, Shenzhen | Futures | Hard | Song Min-kyu |
Chen Ti Rubin Statham |
7–6(7–3), 6–2 |
| Win | 17–17 | Aug 2018 | Gwangju, Korea, Rep. | Challenger | Hard | Song Min-kyu |
 Benjamin Lock Rubin Statham |
5–7, 6–3, [10–5] |
| Loss | 17–18 | Aug 2018 | Korea F5, Gimcheon | Futures | Hard | Son Ji-hoon |
Chung Hong Noh Sang-woo |
6–7(4–7), 6–4, [8–10] |
| Win | 18–18 | Mar 2019 | M15 Nishitokyo, Japan | World Tennis Tour | Hard | Song Min-kyu |
Shintaro Imai Takuto Niki |
4–6, 7–6(7–4), [10–7] |
| Loss | 18–19 | Apr 2019 | M15 Kashiwa, Japan | World Tennis Tour | Hard | Kim Cheong-Eui |
Yusuke Takahashi Jumpei Yamasaki |
1–6, 3–6 |
| Loss | 18–20 | Apr 2019 | M25 Matsuyama, Japan | World Tennis Tour | Hard | Kim Cheong-Eui |
Shinji Hazawa Naoki Tajima |
6–4, 1–6, [7–10] |
| Loss | 18–21 | May 2019 | Gwangju, Korea, Rep. | Challenger | Hard | Song Min-kyu |
Hsieh Cheng-peng Christopher Rungkat |
3–6, 6–3, [6–10] |
| Win | 19–21 | May 2019 | M25 Nonthaburi, Thailand | World Tennis Tour | Hard | Song Min-kyu |
Sanchai Ratiwatana Sonchat Ratiwatana |
7–6(10–8), 6–1 |
| Loss | 19–22 | Jul 2019 | Nur-Sultan, Kazakhstan | Challenger | Hard | Chung Yun-seong |
 Andrey Golubev Aleksandr Nedovyesov |
4–6, 4–6 |
| Loss | 19–23 | Aug 2019 | Chengdu, China, P.R. | Challenger | Hard | Song Min-kyu |
Arjun Kadhe Saketh Myneni |
3–6, 6–0, [6–10] |
| Win | 20–23 | Aug 2019 | Yokkaichi, Japan | Challenger | Hard | Song Min-kyu |
Gong Maoxin Zhang Ze |
6–3, 3–6, [14–12] |
| Win | 21–23 | Aug 2019 | Baotou, China, P.R. | Challenger | Clay (i) | Song Min-kyu |
 Teymuraz Gabashvili Sasikumar Mukund |
7–6(7–3), 6–2 |
| Loss | 21–24 | Sep 2019 | Jinan, China, P.R. | Challenger | Hard | Song Min-kyu |
Matthew Ebden Divij Sharan |
6–7(4–7), 7–5, [3–10] |
| Loss | 21–25 | Oct 2019 | Liuzhou, China, P.R. | Challenger | Hard | Song Min-kyu |
 Denis Istomin Mikhail Elgin |
6–3, 4–6, [6–10] |
| Win | 22–25 | Nov 2019 | M15 Nonthaburi, Thailand | World Tennis Tour | Hard | Chung Hong |
Lee Jea-moon Song Min-kyu |
1–6, 6–3, [10–7] |
| Win | 23–25 | Jun 2021 | M15 Monastir, Tunisia | World Tennis Tour | Hard | Hong Seong-chan |
 Matías Franco Descotte Filip Peliwo |
6–3, 6–1 |
| Win | 24–25 | Jun 2021 | M15 Monastir, Tunisia | World Tennis Tour | Hard | Hong Seong-chan |
Timur Kiyamov Kelsey Stevenson |
6–2, 6–4 |
| Win | 25–25 | Jan 2022 | M15 Antalya, Turkey | World Tennis Tour | Clay | Hong Seong-chan |
 Dragoș Nicolae Mădăraș Oleksandr Ovcharenko |
6–3, 6–3 |
| Win | 26–25 | Jan 2022 | M15 Antalya, Turkey | World Tennis Tour | Clay | Hong Seong-chan |
 Sarp Ağabigün Alexandru Jecan |
6–4, 6–4 |
| Win | 27–25 | Mar 2022 | M25 Bakersfield, United States | World Tennis Tour | Hard | Song Min-kyu |
 Daniel Cukierman Ruan Roelofse |
6–2, 6–0 |
| Win | 28–25 | Mar 2022 | M25 Calabasas, United States | World Tennis Tour | Hard | Song Min-kyu |
Charles Broom Henry Patten |
6–3, 7–6(7–4) |
| Loss | 28–26 | Apr 2022 | M15 Chiang Rai, Thailand | World Tennis Tour | Hard | Song Min-kyu |
Hong Seong-chan Kim Cheong-Eui |
6–4, 6–7(2–7), [8–10] |
| Win | 29–26 | Apr 2022 | M15 Chiang Rai, Thailand | World Tennis Tour | Hard | Song Min-kyu |
Shinji Hazawa Takuto Niki |
6–1, 6–4 |
| Win | 30–26 | Apr 2022 | M15 Chiang Rai, Thailand | World Tennis Tour | Hard | Song Min-kyu |
Bai Yan Kim Cheong-Eui |
6–2, 6–4 |
| Loss | 30–27 | Jun 2022 | M25 Harmon, Guam | World Tennis Tour | Hard | Song Min-kyu |
Toshihide Matsui Kaito Uesugi |
3–6, 6–0, [7–10] |
| Win | 31–27 | Jul 2022 | Nur-Sultan, Kazakhstan | Challenger | Hard | Song Min-kyu |
 Andrew Paulson David Poljak |
6–2, 3–6, [10–6] |
| Loss | 31–28 | Aug 2022 | Nonthaburi, Thailand | Challenger | Hard | Song Min-kyu |
 Evgeny Donskoy Alibek Kachmazov |
3–6, 6–1, [7–10] |
| Loss | 31–29 | Oct 2022 | Busan, South Korea | Challenger | Hard | Song Min-kyu |
Marc Polmans Max Purcell |
7–6(7–5), 2–6, [10–12] |
| Win | 32–29 | Jan 2023 | Nonthaburi, Thailand | Challenger | Hard | Song Min-kyu |
Jan Choinski Stuart Parker |
6–4, 6–4 |
| Win | 33–29 | Jun 2023 | Little Rock, USA | Challenger | Hard | Artem Sitak |
Alexis Galarneau Nicolas Moreno de Alboran |
6–4, 6–4 |
| Win | 34–29 | Jul 2023 | Pozoblanco, Spain | Challenger | Hard | Song Min-kyu |
Luke Johnson Benjamin Lock |
2–6, 6–4, [10–8] |
| Loss | 34–30 | Nov 2023 | Sydney, Australia | Challenger | Hard |  Ruben Gonzales |
Ryan Seggerman Patrik Trhac |
4–6, 4–6 |
| Loss | 34–31 | Nov 2023 | Kobe, Japan | Challenger | Hard | Andrew Harris |
Evan King Reese Stalder |
6–7(3–7), 6–2, [7–10] |
| Loss | 34–32 | Mar 2024 | M15 Tsukuba, Japan | World Tennis Tour | Hard | Ray Ho |
Yusuke Kusuhara Shunsuke Nakagawa |
5–7, 6–7 (4–7) |
| Loss | 34–33 | Apr 2024 | M15 Kashiwa, Japan | World Tennis Tour | Hard | Ray Ho |
Masamichi Imamura Takeru Yuzuki |
6–4, 2–6, [8-10] |
| Win | 35–33 | Apr 2024 | Busan, South Korea | Challenger | Hard | Ray Ho |
Chung Yun-seong Hsu Yu-hsiou |
6–2, 6–4 |
| Loss | 35–34 | Apr 2024 | Guangzhou, China | Challenger | Hard |  Patrik Niklas-Salminen |
Blake Ellis Tristan Schoolkate |
2–6, 7–6(7–4),[4–10] |
| Win | 36–34 | May 2024 | Taipei, Taiwan | Challenger | Hard | Ray Ho |
Toshihide Matsui Kaito Uesugi |
6–2, 6–2 |
| Loss | 36–35 | Oct 2024 | Taipei, Taiwan | Challenger | Hard (i) | Joshua Paris |
David Stevenson Marcus Willis |
3–6, 3–6 |
| Win | 37–35 | Mar 2025 | M15 Hinode, Japan | World Tennis Tour | Hard | Shin San-hui |
Koki Matsuda Taiyo Yamanaka |
6–0, 6–4 |
| Win | 38–35 | Mar 2025 | M15 Nishitokyo, Japan | World Tennis Tour | Hard | Kaito Uesugi |
Yusuke Kusuhara Shunsuke Nakagawa |
6–3, 6–1 |
| Loss | 38–36 | Aug 2025 | Grodzisk Mazowiecki, Poland | Challenger | Hard | Takeru Yuzuki |
 Thijmen Loof Arthur Reymond |
4–6, 7–6(7–3),[14–16] |
| Win | 39–36 | Aug 2025 | M15 Ma'anshan, China | World Tennis Tour | Hard (i) | Park Ui-sung |
Cho Seong-woo Yang Zijiang |
6–3, 4–6, [10–7] |
| Win | 40–36 | Jan 2026 | Phan Thiết, Vietnam | Challenger | Hard | Park Ui-sung |
Joshua Charlton Iván Marrero Curbelo |
6–4, 6–3 |
| Win | 41–36 | Feb 2026 | Pune, India | Challenger | Hard | Patrik Niklas-Salminen |
Pruchya Isaro Niki Kaliyanda Poonacha |
6–4, 6–7(1–7), [10–7] |
| Win | 42–36 | Mar 2026 | Miyazaki, Japan | Challenger | Hard | Patrik Niklas-Salminen |
Yuta Shimizu James Trotter |
7–5, 6–3 |
| Win | 43–36 | Apr 2026 | Jiujiang, China | Challenger | Hard | Patrik Niklas-Salminen |
Hsu Yu-hsiou Seita Watanabe |
6–4, 6–4 |
| Loss | 43–37 | May 2026 | Wuxi, China | Challenger | Hard | Patrik Niklas-Salminen |
Jean-Julien Rojer Theodore Winegar |
3–6, 6–7(6–8) |
| Win | 44–37 | Jun 2026 | Cary, United States | Challenger | Hard | Patrik Niklas-Salminen |
Finn Reynolds James Watt |
5–7, 7–5, [10–8] |
