09/30/2014 06:40 EDT | Updated 11/30/2014 05:59 EST

World Junior Girls Golf Championship: Canada 2nd after 3 rounds

Canada failed to gain ground on the first-place Americans at the World Junior Girls Golf Championship despite having its most productive day of the tournament at Angus Glen Golf Club in Markham, Ont., on Tuesday.

In fact, the United States turned a 12-stroke advantage into a 16-shot lead entering Wednesday’s final round after firing a team-total score of 7-under par.

Canada was 3-under 141 after shooting 144 and 146 in the first two rounds and occupies second place at minus-1 for a two-shot lead over third-place Denmark. Spain is alonge in fourth at plus-3 while Italy round out the top five in the field of 16 at plus-6.

Naomi Ko of Victoria had her best round of the week, carding a 2-under 7 while contending with wind gusts that reached 17 kilometres per hour.

Brooke Henderson, the world’s top-ranked amateur, shot 71 Tuesday, with fellow Canadian Grace St. Germain shooting a 6-over 78 following scores of 74 and 73 earlier in the tournament.

Canada’s second entry at the tourney remained in 13th spot after its 5-over 149 on Tuesday.

Selena Costabile of Thornhill, Ont., had the low round of the day in that threesome, matching her 74 from Monday. Calgary’s Jaclyn Lee and Alisha Lau each shot 75.

American Liu continued to steal the spotlight Tuesday as the 15-year-old tied the low round of the week with a 5-under 67, a round that included one bogey and six birdies to give her a tournament-leading 14.

Courtney Myhrum, Team USA’s non-playing captain, called Liu’s performance “unbelievable.”

“Today, I improved on what I practised [Monday]. I hit the fairways I missed [Monday], I hit greens, and just had many more opportunities for birdies, and I did make more,” Liu, who tops all players at 10-under for the tourney, said in a statement released by Golf Canada.

“I will continue to work on my swing [during Wednesday’s final round] and I will focus mainly on putting again.”