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New Zealand's Lydia Ko makes a tee shot on the fourth hole during round one of the Swinging Skirts LPGA Classic on April 23, 2015 in San FranciscoDefending champion Lydia Ko shot a five-under 67 to seize the early lead at the LPGA Tour's Swinging Skirts Classic tournament.
The world number one from New Zealand looked confident and comfortable in the first round much like she did last year when she picked up her first professional win at this event.
"I read most of (the greens) really well," Ko said Thursday.