26th August, Las Vegas: Doubles topseed, Maria Rodriguez led her Colombian team-mates, Juliana Franco and Clara Guerrero to another semi-finals after winning the Trios preliminaries at the 2019 World Bowling Women's Championships on Monday.

Singles semi-finalist, Lee Nayoung anchored her Korean team-mates and Doubles semi-finalists, Son Hyerin and Lee Yeonji to a scintillating start in the first block with 753 to lead the second Korean trio of Kim Moonjeong, Baek Sungja and Jung Dawun by 57 pins.

Mexico's second trio of Adriana Perez, Paola Limon and Sandra Gongora started well with 694 to occupy third while the second American trio of Missy Parkin, Jordan Richard and Liz Kuhlkin was fourth.

The Koreans remained in the lead despite managing only 624 in their second game. Colombia's second trio of Franco, Guerrero and Rodriguez fired a superb 729 in their second game to move up to second, 29 pins from the leader. The second Korean trio slipped down to third with United States and Mexico in fourth and fifth.

Mexico piled on their pressure on the leader in the fifth game with 668 as Colombia hung on to their lead with 655. USA 2 stumbled to a poor 603 and slipped down to fifth while Korea 1 recovered with 684 to move back up to third.

The other American trio of Danielle McEwan, Stefanie Johnson and Shannon O'Keefe put themselves in with a chance to make the top four after taking up fourth before the sixth and final game.

Colombia stamped their mark with a superb 701 in their final game to win the preliminaries with 4113 and making another semi-final appearance as topseed. Mexico held on to second spot with 4010 while the final two spots were up for grabs amongst the two Korean and two American trios.

Parkin, Richard and Kuhlkin secured third spot with 663 and 3978 total to make the cut while the second Korean trio edged their compatriots with 678 and 3962 to clinch fourth spot. Son Hyerin, Lee Yeonji and Lee Nayoung missed the cut by 14 pins after a disastrous final game of 599.