Kapp's hat-trick helped Sixers crush the Stars.
Dane van Niekerk has been ruled out from the remainder of the ODI series.
Sune Luus and Nadine de Klerk replaced Chole Tryon and Lizelle Lee in the squad respectively.
Find out the squads for the first ODI between South Africa Women and Windies Women.
South Africa might bring back Mignon du Preez after the batting collapse in the 2nd match.
South Africa captain Dane van Niekerk is the best option for the captain or at least vice-captain's spot.
Who should be your captain among Chamari Athapaththu, Dane van Niekerk and Marizanne Kapp?
Who will be the top performer in the WBBL final? Alyssa Healy, Grace Harris, Ellyse Perry or Dane van Niekerk?
Sydney Thunder is expected to bounce back but will get a tough fight from the Sydney Sixers.
Sydney Sixers could continue their winning spree but will get a tough fight from Strikers who need a win.