INFO: click on player name to show detailed player statistics
Ji Sung Nam vs. Young-Jun Kim - H2H matches
| 17.06.13 | 2nd round | Ji Sung Nam | Young-Jun Kim | Young-Jun Kim - walk over | match details |  Korea F7 | Hard |
Ji Sung Nam form & Young-Jun Kim form
Ji Sung Nam - last matches
| M15 Andong - Hard | ||||
| 22.05.25 2nd round | vs. Hoyoung Roh | 6-1, 4-6, 6-0 |  | match details |
| 20.05.25 1st round | vs. Ku Keon Kang | 4-6, 6-4, 6-4 | | match details |
| Gwangju Challenger - Hard | ||||
| 20.04.25 q 1 | vs. Petr Bar Biryukov | 7-62, 1-5, - Ji Sung Nam - retired |  | match details |
| Busan Challenger - Hard | ||||
| 13.04.25 q 1 | vs. Marat Sharipov | 5-7, 1-6 | | match details |
 M15 Tsukuba - Hard | ||||
| 25.03.25 1st round | vs. Ryo Tabata | 6-73, 4-6 | | match details |
| M15 Nishi - Hard | ||||
| 22.03.25 1/2 | vs. Takuya Kumasaka | 1-6, 6-2, 3-6 | | match details |
| 21.03.25 1/4 | vs. Ryo Tabata | 6-4, 6-4 | | match details |
| 20.03.25 2nd round | vs. Junhyun Lee | 6-1, 6-2 | | match details |
| 19.03.25 1st round | vs. Issei Okamura | 6-1, 6-1 | | match details |
| M15 Hinode - Hard | ||||
| 14.03.25 1/4 | vs. Tai Sach | 6-3, 2-6, 5-7 | | match details |
| 13.03.25 2nd round | vs. Koki Matsuda | 4-6, 6-4, 6-3 | | match details |
| 11.03.25 1st round | vs. Katsutoshi Suzuki | 6-0, 6-1 | | match details |
 M25 Launceston - Hard | ||||
| 27.02.25 2nd round | vs. Yu Hsiou Hsu | 2-6, 1-6 | | match details |
| 25.02.25 1st round | vs. Issei Okamura | 7-63, 6-3 | | match details |
| Yokkaichi Challenger - Hard | ||||
| 24.11.24 q 1 | vs. Keisuke Saitoh | 1-6, 3-6 | | match details |
| Yokohama Challenger - Hard | ||||
| 18.11.24 1st round | vs. Shintaro Mochizuki | 2-6, 2-6 | | match details |
| 17.11.24 qual. | vs. Naoki Nakagawa | 6-3, 6-3 | | match details |
| 16.11.24 q 1 | vs. Philip Henning | 7-63, 3-6, 7-5 | | match details |
.png){kind=small} Taipei 2 - I. hard | ||||
| 20.10.24 q 1 | vs. Reese Stalder | 5-7, 5-7 | | match details |
 Nonthaburi 4 - Hard | ||||
| 25.09.24 1st round | vs. Gabriel Diallo | 6-79, 0-6 | | match details |
| 24.09.24 qual. | vs. Andre Ilagan | 6-4, 6-4 | | match details |
| 23.09.24 q 1 | vs. Thantub Suksumrarn | 7-61, 6-3 | | match details |
| M25 Takasaki - Hard | ||||
| 18.09.24 1st round | vs. Hiroki Moriya | 1-3, - Ji Sung Nam - retired | | match details |
 Zhangjiagang Challenger - Hard | ||||
| 25.08.24 q 1 | vs. Ajeet Rai | 4-6, 0-6 | | match details |
| Jinan Challenger - Hard | ||||
| 21.08.24 2nd round | vs. Keegan Smith | 6-76, 5-7 | | match details |
| 20.08.24 1st round | vs. Dominik Palan | 6-3, 6-75, 6-3 | | match details |
| 19.08.24 qual. | vs. Maxim Zhukov | 6-3, 6-4 | | match details |
| 18.08.24 q 1 | vs. Zekai Li | 6-2, 6-2 | | match details |
 Tampere Challenger - Clay | ||||
| 21.07.24 q 1 | vs. Henri Laaksonen | 6-72, 7-5, 3-6 | | match details |
 Trieste Challenger - Clay | ||||
| 08.07.24 qual. | vs. Carlos Lopez Montagud | 2-6, 4-6 | | match details |
Young-Jun Kim - last matches
| Thailand F3 - Hard | ||||
| 24.02.14 q 1 | vs. Congsup Congcar | 6-4, 6-2 | | match details |
| 24.02.14 qual. | vs. Marc Polmans | 6-1, 3-6, 2-6 | | match details |
| Thailand F1 - Hard | ||||
| 10.02.14 qual. | vs. Ting Yu Chuang | 6-0, 6-0 | | match details |
| 10.02.14 1st round | vs. Chayanon Kaewsuto | 6-1, 7-63 | | match details |
| 10.02.14 2nd round | vs. Hiroki Kondo | 3-6, 6-2, 4-6 | | match details |
| 10.02.14 q 1 | vs. Roy Hobbs | 6-3, 6-2 | | match details |
| Korea F7 - Hard | ||||
| 17.06.13 1st round | vs. Connor Farren | 6-3, 6-2 | | match details |
| 17.06.13 2nd round | vs. Ji Sung Nam | - Young-Jun Kim - walk over | | match details |
| Korea F6 - Hard | ||||
| 10.06.13 1st round | vs. Cheong-Eui Kim | 2-6, 2-6 | | match details |
| Korea F5 - Hard | ||||
| 03.06.13 1st round | vs. Dae-Hee Lee | 2-6, 0-6 | | match details |
| Korea F4 - Hard | ||||
| 27.05.13 q 2 | vs. Seong Hyeon Im | - Young-Jun Kim - walk over | | match details |
| Korea F3 - Hard | ||||
| 20.05.13 1st round | vs. Seong-Yoon Chung | 4-1, Seong-Yoon Chung - retired | | match details |
| 20.05.13 2nd round | vs. Yong-Kyu Lim | 5-7, 6-74 | | match details |
| Korea F2 - Hard | ||||
| 06.05.13 1st round | vs. Jason Jung | 6-4, 6-4 | | match details |
| 06.05.13 2nd round | vs. Cheong-Eui Kim | 4-6, 2-6 | | match details |
| Korea F1 - Hard | ||||
| 29.04.13 1st round | vs. Sang-Oh Oh | 6-4, 4-6, 5-4, - Young-Jun Kim - retired | | match details |
| China F10 - Hard | ||||
| 25.06.12 1/2 | vs. Di Wu | 6-75, 1-6 | | match details |
| 25.06.12 1/4 | vs. Sekou Bangoura | 6-1, 6-4 | | match details |
| 25.06.12 1st round | vs. Xin Gao | 6-2, 6-4 | | match details |
| 25.06.12 2nd round | vs. Matthew Barton | 7-5, 7-62 | | match details |
| China F9 - Hard | ||||
| 18.06.12 1st round | vs. Changwei Peng | 7-63, 6-1 | | match details |
| 18.06.12 2nd round | vs. Matthew Barton | 1-6, 2-6 | | match details |
| Korea F3 - Hard | ||||
| 28.05.12 1st round | vs. Daniel Garza | 2-6, 0-6 | | match details |
| Korea F2 - Hard | ||||
| 21.05.12 2nd round | vs. Woong-Sun Jun | 6-77, 6-1, 6-73 | | match details |
| 21.05.12 1st round | vs. John Millman | 7-63, 6-1 | | match details |
| Korea F1 - Hard | ||||
| 14.05.12 1st round | vs. Soong-Jae Cho | 6-4, 6-2 | | match details |
| 14.05.12 2nd round | vs. Samuel Groth | 6-3, 3-6, 5-7 | | match details |
| Chinese Taipei - Hard | ||||
| 16.04.12 1st round | vs. Chu-Huan Yi | 7-63, 6-4 | | match details |
| 16.04.12 2nd round | vs. Tsung-Hua Yang | 4-6, 6-3, 3-6 | | match details |
| Chinese Taipei - Hard | ||||
| 09.04.12 2nd round | vs. Denis Matsukevitch | 6-4, 4-6, 6-4 | | match details |
