2013 World Junior Table Tennis Championships | ITTF rankings: Jang Woojin 1742, Park Chan-Hyeok 1506 |
2014 Korea Junior and Cadet Open | ITTF rankings: Jang Woojin 1638, Park Chan-Hyeok 1508 |
2012 Korea Junior and Cadet Open | ITTF rankings: Jang Woojin 1544, Park Chan-Hyeok 1487 |
2010 Chengdu (China) Junior and Cadet Open | ITTF rankings: Jang Woojin 1278, Park Chan-Hyeok 872 |