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* Korean secures second win of season after five starts
* Audacious eagle at least seals four-shot victory
SINGAPORE, March 6 (Reuters) - Jang Ha-na sank a short eagle putt on the last and immediately broke into a Beyonce-inspired shimmy to celebrate her second win of the season with a brilliant four-shot triumph at the HSBC Women's Champions on Sunday.
The Korean started the day one ahead of the pack but stormed clear on the back nine to close with a seven-under-par 65 for a 19-under total, capped by the gutsy eagle on the par-five last when she took on the lake with a fairway wood to attack the pin.