Name: Ji Hoon Son
Country: Republic of Korea
Birthdate: 09.09.94, 29 years
ATP ranking: 611
TOP ranking's position: 452 (15.04.19, 17 points)
Points: 3
Prize money: 30356 $
Matches total: 226
Win: 134
%: 59.29 %
Country: Republic of Korea
Birthdate: 09.09.94, 29 years
ATP ranking: 611
TOP ranking's position: 452 (15.04.19, 17 points)
Points: 3
Prize money: 30356 $
Matches total: 226
Win: 134
%: 59.29 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2023 | 20/15 | 17/12 | 3/3 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2022 | 29/19 | 29/19 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2021 | 12/4 | 12/4 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2019 | 0/2 | 0/2 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2018 | 27/12 | 20/10 | 7/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2017 | 6/8 | 6/7 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2016 | 5/5 | 5/3 | 0/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2015 | 18/8 | 15/6 | 3/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2014 | 12/11 | 9/9 | 3/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2013 | 5/5 | 5/5 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2012 | 0/1 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2011 | 0/1 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2010 | 0/1 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 134/92 | 118/80 | 16/12 | 0/0 | 0/0 | 0/0 | 0/0 |
| perc. % | 59.29 % | 59.6 % | 57.14 % | 0 % | 0 % | 0 % | 0 % |
Ji Hoon Son / scheduled / last
| no matches found |
Ji Hoon Son form / year 2017 / surface: Hard
Ji Hoon Son / year 2017 / surface: Hard
| 05.12.17 | 1st round | Daniiar Duldaev | Ji Hoon Son | 6-4, 6-2 |  | match details |  Thailand F11 | Hard |
| 04.12.17 | qual. | Ji Hoon Son | Jae Hwan Kim | 6-1, 6-4 |  | match details | ||
| 04.12.17 | q 1 | Ji Hoon Son | Natthasith Kunsuwan | 6-3, 6-4 | | match details | ||
| 04.12.17 | q 2 | Ji Hoon Son | Yurii Dzhavakian | 6-2, 2-6, 6-1 | | match details | ||
| 14.06.17 | 1st round | Yunseong Chung | Ji Hoon Son | 7-64, 6-4 | | match details |  Korea F3 | Hard |
| 09.06.17 | 1/4 | Jea Moon Lee | Ji Hoon Son | 6-4, 6-3 | | match details | Korea F2 | Hard |
| 08.06.17 | 2nd round | Ji Hoon Son | Yunseong Chung | 7-65, 0-6, 7-65 | | match details | ||
| 07.06.17 | 1st round | Ji Hoon Son | Hyeong Jin Cho | 6-1, 6-1 | | match details | ||
| 31.05.17 | 1st round | Tae-Woo Lee | Ji Hoon Son | 6-3, 0-6, 6-3 | | match details | Korea F1 | Hard |
| 14.05.17 | q 2 | Daniel Nguyen | Ji Hoon Son | 6-1, 7-5 | | match details | Busan Challenger | Hard |
| 13.05.17 | q 1 | Ji Hoon Son | Jay Clarke | 7-62, 6-4 | | match details | ||
| 06.05.17 | q 1 | Luke Saville | Ji Hoon Son | 6-3, 6-4 | | match details | Seoul Challenger | Hard |
| 29.04.17 | q 1 | Max Purcell | Ji Hoon Son | 6-1, 6-3 | | match details | Gimcheon Challenger | Hard |