Name: Ji Sung Nam
Country: Republic of Korea
Birthdate: 15.08.93, 30 years
ATP ranking: 674
TOP ranking's position: 236 (12.08.19, 189 points)
Points: 45
Prize money: 283.927 $
Matches total: 497
Win: 282
%: 56.74 %
Country: Republic of Korea
Birthdate: 15.08.93, 30 years
ATP ranking: 674
TOP ranking's position: 236 (12.08.19, 189 points)
Points: 45
Prize money: 283.927 $
Matches total: 497
Win: 282
%: 56.74 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2024 | 2/4 | 2/3 | 0/0 | 0/0 | 0/0 | 0/1 | 0/0 |
| 2023 | 15/20 | 13/15 | 2/4 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2022 | 26/19 | 24/13 | 2/4 | 0/2 | 0/0 | 0/0 | 0/0 |
| 2021 | 4/7 | 2/6 | 0/0 | 1/1 | 0/0 | 1/0 | 0/0 |
| 2020 | 3/6 | 1/2 | 0/1 | 2/3 | 0/0 | 0/0 | 0/0 |
| 2019 | 41/24 | 34/21 | 1/1 | 3/1 | 3/1 | 0/0 | 0/0 |
| 2018 | 40/13 | 37/10 | 3/2 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2017 | 7/2 | 7/2 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2016 | 23/9 | 14/7 | 9/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2015 | 19/17 | 17/15 | 2/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2014 | 36/23 | 31/19 | 2/3 | 0/0 | 3/1 | 0/0 | 0/0 |
| 2013 | 30/24 | 27/21 | 0/1 | 1/1 | 2/1 | 0/0 | 0/0 |
| 2012 | 27/25 | 20/20 | 5/0 | 2/4 | 0/0 | 0/1 | 0/0 |
| 2011 | 5/15 | 2/10 | 0/3 | 1/1 | 2/1 | 0/0 | 0/0 |
| 2010 | 3/6 | 3/5 | 0/0 | 0/0 | 0/1 | 0/0 | 0/0 |
| 2009 | 1/1 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 282/215 | 235/170 | 26/23 | 10/15 | 10/5 | 1/2 | 0/0 |
| perc. % | 56.74 % | 58.02 % | 53.06 % | 40 % | 66.67 % | 33.33 % | 0 % |
Ji Sung Nam / Fixtures
| no matches found |
Ji Sung Nam form / year 2019 / surface: I. hard
Ji Sung Nam / year 2019 / surface: I. hard
| 08.11.19 | 1/4 | Yosuke Watanuki | Ji Sung Nam | 6-4, 2-2, Ji Sung Nam - retired |  | match details |  Kobe Challenger | I. hard |
| 07.11.19 | 3rd round | Ji Sung Nam | Yuki Mochizuki | 6-3, 1-6, 6-1 |  | match details | ||
| 06.11.19 | 2nd round | Ji Sung Nam | Ben Patael | 6-2, 6-4 | | match details | ||
| 14.09.19 | Ji Sung Nam | Zhe Li | 7-61, 7-60 | | match details |  Davis Cup | I. hard |
