The victory was extra special for Bryce who has played the majority of her international career alongside younger sister Sarah, with the duo unbeaten at the crease when Kathryn hit the winning runs off Ireland spinner Eimear Richardson in the 17th over of the cut-throat contest.
Scotland will meet Sri Lanka in Tuesday's qualifying final, with the winners to join holders Australia, India, New Zealand and Pakistan in Group A at the main event which runs from October 3-20.
The victory was extra special for Bryce who has played the majority of her international career alongside younger sister Sarah, with the duo unbeaten at the crease when Kathryn hit the winning runs off Ireland spinner Eimear Richardson in the 17th over of the cut-throat contest.
Scotland will meet Sri Lanka in Tuesday's qualifying final, with the winners to join holders Australia, India, New Zealand and Pakistan in Group A at the main event which runs from October 3-20.