Republic of Korea
09.04.02, 23 years
09.04.02, 23 years
Country
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Dong Ju Kim vs. Keisuke Saitoh - head to head matches
| 07.06.23 | 1st round | Dong Ju Kim | Keisuke Saitoh | 6-1, 6-2 | match details |  M25 Daegu | Hard |
Dong Ju Kim form & Keisuke Saitoh form
Dong Ju Kim - last matches
| M15 Andong - Hard | ||||
| 19.05.25 q 2 | vs. Tae-Woo Lee | 6-2, 5-7, 10-8 |  | match details |
| M25 Changwon - Hard | ||||
| 20.06.24 2nd round | vs. Edward Winter | 1-6, 1-6 |  | match details |
| 19.06.24 1st round | vs. Ryotaro Taguchi | 3-6, 6-4, 6-4 | | match details |
| 18.06.24 qual. | vs. Young Seok Lee | 6-2, 6-3 | | match details |
| 17.06.24 q 2 | vs. Wanseok Kang | 6-4, 6-4 | | match details |
| 16.06.24 q 1 | vs. Dong Kyu Lee | 6-3, 6-1 | | match details |
| M15 Daegu - Hard | ||||
| 03.06.24 q 2 | vs. Jeong Heon Lee | 6-3, 3-6, 6-10 | | match details |
| 02.06.24 q 1 | vs. Jun Ha Hyun | 6-0, 3-6, 11-9 | | match details |
 M15 Antalya - Clay | ||||
| 07.12.23 1st round | vs. Cengiz Aksu | 3-6, 4-6 | | match details |
| 05.12.23 qual. | vs. Mihai Razvan Marinescu | 4-6, 4-6 | | match details |
| 04.12.23 q 2 | vs. Seokhyeon Chu | 7-63, 6-1 | | match details |
| 03.12.23 q 1 | vs. Mehmet Onur Turgut | 6-3, 6-0 | | match details |
| M15 Antalya - Clay | ||||
| 28.11.23 qual. | vs. Ku Keon Kang | 2-6, 0-6 | | match details |
| 27.11.23 q 2 | vs. Ahmet Atabay | 6-1, 6-0 | | match details |
| 26.11.23 q 1 | vs. Emir Sutekin | 6-2, 6-1 | | match details |
| M25 Anseong - Clay | ||||
| 22.06.23 2nd round | vs. Yunseong Chung | 6-3, 1-6, 5-7 | | match details |
| 21.06.23 1st round | vs. Dae Han Kim | 7-5, 6-2 | | match details |
| 19.06.23 q 2 | vs. Seung Min | 6-1, 6-1 | | match details |
| 19.06.23 qual. | vs. Kuan Yu Chen | 6-2, 6-1 | | match details |
| 18.06.23 q 1 | vs. Junsu Kang | 6-3, 1-0, Junsu Kang - retired | | match details |
| M25 Changwon - Hard | ||||
| 12.06.23 qual. | vs. Junhyun Lee | 6-3, 3-6, 11-13 | | match details |
| 12.06.23 q 2 | vs. Woohyuk Sim | 3-6, 6-3, 13-11 | | match details |
| 11.06.23 q 1 | vs. Ki Bum Kim | 4-6, 6-1, 12-10 | | match details |
| M25 Daegu - Hard | ||||
| 09.06.23 2nd round | vs. Jea Moon Lee | 3-6, 3-6 | | match details |
| 07.06.23 1st round | vs. Keisuke Saitoh | 6-1, 6-2 | | match details |
| 05.06.23 q 2 | vs. Byeonghun Kim | 6-2, 6-2 | | match details |
| 05.06.23 qual. | vs. Woodam Song | 6-1, 6-2 | | match details |
| 04.06.23 q 1 | vs. Young Seok Lee | 6-2, 3-6, 10-7 | | match details |
| M15 Daegu - Hard | ||||
| 01.09.22 2nd round | vs. Kazuma Kawachi | 7-63, 0-6, 4-6 | | match details |
| 31.08.22 1st round | vs. Dae Han Kim | 6-0, 6-4 | | match details |
Keisuke Saitoh - last matches
 Wuxi Challenger - Hard | ||||
| 04.05.25 q 1 | vs. Andre Ilagan | 2-6, 2-6 | | match details |
 M15 Osaka - Hard | ||||
| 23.04.25 1st round | vs. Riku Takahata | 4-6, 4-6 | | match details |
| M15 Kashiwa - Hard | ||||
| 06.04.25 1/2 | vs. Hikaru Shiraishi | 6-75, 6-4, 7-65 | | match details |
| 06.04.25 fin | vs. Yusuke Takahashi | 2-6, 0-6 | | match details |
| 05.04.25 1/4 | vs. Ryotaro Matsumura | 4-6, 6-2, 6-3 | | match details |
| 04.04.25 2nd round | vs. Issei Okamura | 6-2, 6-2 | | match details |
| 01.04.25 1st round | vs. Ryo Tabata | 6-1, 4-6, 6-3 | | match details |
| M25 Shenzhen - Hard | ||||
| 21.03.25 1/4 | vs. Oliver Crawford | 3-6, 2-6 | | match details |
| 20.03.25 2nd round | vs. Jie Cui | 3-6, 5-1, Jie Cui - retired | | match details |
| 18.03.25 1st round | vs. Naoki Tajima | 6-4, 6-1 | | match details |
| M25 Luan - Hard | ||||
| 12.03.25 1st round | vs. Kaichi Uchida | 6-3, 3-6, 2-6 | | match details |
 M25 Timaru - Hard | ||||
| 12.02.25 1st round | vs. Kody Pearson | 3-6, 1-6 | | match details |
 Brisbane 2 - Hard | ||||
| 04.02.25 1st round | vs. Andre Ilagan | 5-7, 2-6 | | match details |
| 03.02.25 qual. | vs. Thomas Braithwaite | 6-4, 6-4 | | match details |
| 02.02.25 q 1 | vs. Ty Host | 6-2, 6-4 | | match details |
| Brisbane 1 - Hard | ||||
| 26.01.25 q 1 | vs. Sam Ryan Ziegann | 2-6, 4-6 | | match details |
 Nonthaburi 2 - Hard | ||||
| 05.01.25 q 1 | vs. Jakub Paul | 3-6, 4-6 | | match details |
 Noumea Challenger - Hard | ||||
| 31.12.24 1st round | vs. Shintaro Mochizuki | 4-6, 4-6 | | match details |
 M15 Bali - Hard | ||||
| 24.12.24 1st round | vs. Fitriadi M Rifqi | 6-4, 5-7, 2-6 | | match details |
| Yokkaichi Challenger - Hard | ||||
| 25.11.24 qual. | vs. Jakub Paul | 6-73, 6-72 | | match details |
| 24.11.24 q 1 | vs. Ji Sung Nam | 6-1, 6-3 | | match details |
| Yokohama Challenger - Hard | ||||
| 16.11.24 q 1 | vs. Petr Bar Biryukov | 5-7, 2-6 | | match details |
| M25 Takasaki - Hard | ||||
| 22.09.24 fin | vs. Masamichi Imamura | - Keisuke Saitoh - walk over | | match details |
| 21.09.24 1/2 | vs. Goncalo Oliveira | 5-1, Goncalo Oliveira - retired | | match details |
| 20.09.24 1/4 | vs. Yusuke Takahashi | 6-3, 6-4 | | match details |
| 19.09.24 2nd round | vs. Kosuke Ogura | 6-0, 1-6, 6-1 | | match details |
| 17.09.24 1st round | vs. Naoya Honda | 7-65, 6-0 | | match details |
| M25 Sapporo - Hard | ||||
| 12.09.24 2nd round | vs. Shintaro Imai | 2-6, 6-76 | | match details |
| 10.09.24 1st round | vs. Daisuke Sumizawa | 6-1, 6-2 | | match details |
| M25 Sapporo - Hard | ||||
| 06.09.24 1/4 | vs. Kokoro Isomura | 2-6, 4-6 | | match details |
