
Korea, Rep.
| Age | 31 (09-09-1994) |
| Country | |
| Birthplace | Busan, Korea |
| Height | 180 |
| Weight | 74 |
| Plays | Right-Handed |
| Backhand | Two-Handed |
| Favorite Surface | |
| Coach | |
| Turned Pro | |
| Player Status | Active |
Hard
Clay
Grass
Indoor
All
| Aces / Game | 0.29 | 5 / 17 |
| DFs / Game | 0.47 | 8 / 17 |
| 1st Serve % | 47.7% | 51 / 107 |
| 1st Serve Win % | 60.8% | 31 / 51 |
| 2nd Serve Win % | 55.4% | 31 / 56 |
| Service Points Win % | 57.9% | 62 / 107 |
| Opponent Aces / Game | 0.29 | 5 / 17 |
| Opponent Double Faults / Game | 0.35 | 6 / 17 |
| Opponent 1st Serve % | 53.7% | 51 / 95 |
| 1st Return Win % | 31.4% | 16 / 51 |
| 2nd Return Win % | 59.1% | 26 / 44 |
| Return Points Win % | 44.2% | 42 / 95 |
| Break Points Saved Per Game | 0.24 | 4 / 17 |
| Break Points Faced Per Game | 0.53 | 9 / 17 |
| Break Points Save % | 44.4% | 4 / 9 |
| Service Hold % | 70.6% | 12 / 17 |
| Break Points Won Per Game | 0.35 | 6 / 17 |
| Opponent Break Points Per Game | 0.41 | 7 / 17 |
| BP Won % | 85.7% | 6 / 7 |
| Opp Hold % | 64.7% | 11 / 17 |
| year | All | hard | clay | indoor | grass |
| 2025 | 3-1 | 3-1 | 0-0 | 0-0 | 0-0 |
| 2024 | 6-2 | 6-2 | 0-0 | 0-0 | 0-0 |
| 2023 | 20-15 | 17-12 | 3-3 | 0-0 | 0-0 |
| 2022 | 29-18 | 29-18 | 0-0 | 0-0 | 0-0 |
| 2021 | 12-4 | 12-4 | 0-0 | 0-0 | 0-0 |
| 2019 | 0-2 | 0-2 | 0-0 | 0-0 | 0-0 |
| 2018 | 26-12 | 19-10 | 7-2 | 0-0 | 0-0 |
| 2017 | 6-8 | 6-7 | 0-1 | 0-0 | 0-0 |
| 2016 | 5-5 | 5-3 | 0-2 | 0-0 | 0-0 |
| 2015 | 18-8 | 15-6 | 3-2 | 0-0 | 0-0 |
| 2014 | 12-11 | 9-9 | 3-2 | 0-0 | 0-0 |
| 2013 | 5-4 | 5-4 | 0-0 | 0-0 | 0-0 |
| 2012 | 0-1 | 0-1 | 0-0 | 0-0 | 0-0 |
| 2011 | 0-1 | 0-1 | 0-0 | 0-0 | 0-0 |
| 2010 | 0-1 | 0-1 | 0-0 | 0-0 | 0-0 |
| Grand Slam | 0.0% | 0 / 0 |
| Masters | 0.0% | 0 / 0 |
| Main Tour | 0.0% | 0 / 0 |
| Cups | 0.0% | 0 / 0 |
| Challengers | 40.9% | 9 / 13 |
| Futures | 62.4% | 133 / 80 |
| Vs No.1 | 0.0% | 0 / 0 |
| Vs Top.5 | 0.0% | 0 / 0 |
| Vs Top.10 | 0.0% | 0 / 0 |
| Vs Top.20 | 0.0% | 0 / 0 |
| Vs Top.50 | 0.0% | 0 / 0 |
| Vs Top.100 | 0.0% | 0 / 1 |
| Overall | 60.4% | 142 / 93 |
| Hard | 60.9% | 126 / 81 |
| Clay | 57.1% | 16 / 12 |
| Indoor | 0.0% | 0 / 0 |
| Grass | 0.0% | 0 / 0 |
| Final | 0.0% | 0 / 3 |
| Semi-Final | 50.0% | 3 / 3 |
| Quarter-Final | 40.0% | 6 / 9 |
| Second | 50.0% | 15 / 15 |
| First | 44.8% | 30 / 37 |
| Qualifying Final | 75.0% | 27 / 9 |
| Qualifying R2 | 83.9% | 26 / 5 |
| Qualifying R1 | 74.5% | 35 / 12 |
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![]() Ji Hoon Son | Draw VIEW H2H | ![]() Cheong-Eui Kim | ||
![]() Ji Hoon Son | Draw VIEW H2H | ![]() Min-Hyoek Cho | ||
![]() Ji Hoon Son | Draw VIEW H2H | ![]() Kento Takeuchi | ||
![]() Ji Hoon Son | Draw VIEW H2H | ![]() Ji-Sup Lim | ||
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![]() Ji Hoon Son | Draw VIEW H2H | ![]() Yong-Kyu Lim | ||
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