This story won the 2021 award, which means you can read the full story (not just an excerpt) on the 'Winner' page.
‘One thing I will always be grateful to your mother for—she taught you to swim.”
“Why.” Not asked as a question but groaned as a protest. Louisa does not want her father to talk about her mother. She is sick of her mother. Her mother can do nothing right. This is the theme of their new life, in Louisa’s opinion: that Louisa and her father are two fish who should leave her beached mother behind.’