While in good position, she has ground to make up on Park, one of the form players of 2017, who also took advantage of a remarkable stroke of luck. "It was very stressful and I was nervous and excited. I just keep trying".
Her stellar play comes during the final tournament of countrywomen Ai Miyazato's LPGA career. "I don't think it is quite so stressful when you are the one playing".
"But now I think I'll play a few more years".
Announcing the decision to shorten the event yesterday, Ladies Professional Golf Association commissioner Mike Whan commented: "Some players will not like it, but I'll take the brunt of that".
The only sisters to have won on the LPGA Tour are the Swedes Annika and Charlotta Sorenstam.
She's won $155,043 this season, 74th on the LPGA money list.
The affable Queenslander will tee off in the last group of the final women's major of the season in France just two shots off the pace at seven under par on a congested leaderboard. "Even when I was struggling, I felt like there were so many positives".
Park took advantage of the ultimate Evian mulligan when LPGA officials made a decision to wipe away first-round scores after a weather suspension of nearly 4 1/2 hours at the course overlooking Lake Geneva.
Song has yet to crack the top 10 at a major championship, although she performed well here at Evian the last two years (T16 in 2015 and T17 in 2016).
Kirk turned a long run of disappointment around this year with a win in Wisconsin her first since 2010 and talked about just what that win meant to her.
"Golf is amusing. I wasn't expecting it, for sure".
"That was a huge confidence boost, especially after struggling for a couple years and questioning whether I'd be playing much longer, said the Yeah, it's just - yeah, nice to know you can still do it at 35 years old and as one of the older players out here".
"It was really hard to stop (thinking) about it", the top-ranked Ryu said.
Moriya had chances to match her 65 from Friday's first round though let birdie chances slip after consistently accurate approach shots.
"You know what? I can win out here and just keep believing and keep doing the right things, and you never know what happens".
Ko carded three birdies in a flawless opening three-under 68 at the Evian Championship in France to be five strokes behind Korean world No3 Sung Hyun Park. Notable players outside of the top 72 in the current standings include rookies Aditi Ashok (76), Emily K. Pedersen (78), Olafia Kristinsdottir (79) and Mel Reid, as well as Americans Alison Lee (80), Paula Creamer (87) and Christina Kim (92).