Career
She and Kim Minister-jung played for South of Korea"s 2008 Uber Cup team in Jakarta, Indonesia. With Ko Sung-hyun in the mixed event, she only reached the quarter-finals. In All England, Ha and Ko suffered a first-round defeat to Zheng Bo and Ma Jin of China 17–21 and 12–21.
Meanwhile, Ha and Lee, seeded seventh, vanquished Indonesia"s Shendy Puspa Irawati and Nitya Krishinda Maheswari in straight sets, 21–18 and 21–18, before bowing out to Chinese third seeds, Cheng Shu and Zhao Yunlei, in the semi-finals.
The next week"s tournament in Switzerland brought unsatisfying result for Ha and Ko as they lost to the eventual finalists and their countrymen, Shin Baek-cheol and Yoo Hyun-young, in a tough three-setter, 21–19, 9–21, 19–21. Ha and Lee fought hard in the semi-final but finally lost 21–13, 19–21, and 20–22 to Miyuki Maeda and Satoko Suetsuna of Japan.
Uber Cup 2010
Ha played for the Korean Uber Cup team on May 9–16. She and Lee Kyung-won defeated Yu Yang and Du Jing of China in the final 19–21, 21–14, and 21–19, giving the first Uber cup for of Korea.
lieutenant is suspected that the Koreans emulated China so to avoid playing against another Korean team in the semi-finals.
The Korean head coach Sung Han-kook said "Because they don"t want to play the semi-final against each other, so we did the same. We didn"t want to play the South Korean team again". South of Korea filed an appeal to the case, but it was rejected by the Badminton World Federation.