By John O'Brien SINGAPORE, Jan 17 (Reuters) - Sergio Garcia enjoyed a hard-earned winter break after a hectic 2016 and the Spaniard is now fit, fresh and raring to go when he opens his campaign at the Singapore Open this week in a region where he has enjoyed plenty of success. Garcia has won five events in as many countries on the Asian Tour and Singapore could become a sixth should he navigate the demanding Serapong Course better than a field of rivals that includes three-times tournament winner Adam Scott and Ernie Els. "I've always felt comfortable coming to Asia, I've done very well here in the tournaments I have played," the world number 15 told reporters at Sentosa Golf Club on Tuesday. More...