He is also called Kim Do-hoon 752 to distinguish him from another South Korean golfer also called Kim Do-hoon, 752 being his membership number at the Korea Professional Golfers' Association.

He won the 2010 Dongbu Insurance Promy Gunsan CC Open on the Korean Tour.

He finished tied third in the individual event but missed out on a bronze medal on countback.

He had one win on the Korean Tour, taking the 2010 Dongbu Insurance Promy Gunsan CC Open in a playoff.

[4] Kim's most successful season on the Japan Golf Tour was his first, 2010.