Matthews scored a superb half-century to pace the West Indies' run chase as the Caribbean side chased down South Africa's total of 147/6 with nine deliveries remaining.
Jemimah Rodrigues, a fan favourite in Brisbane, will return to the Heat alongside fellow overseas stars Chinelle Henry and Nadine de Klerk, strengthening the club's batting and all-round options for WBBL|10
Mandhana rises to the top for the first time since 2019, after South Africa captain Laura Wolvaardt loses 19 rating points in the rankings updated by the ICC on Tuesday.
During the meeting, the delegation thanked Brazil for its understanding of terrorism and shared views regarding the terrorist attack in Pahalgam. The two sides also explored avenues to enhance cooperation in counter-terrorism, multilateral diplomacy, and democratic values.
South Africa captain Laura Wolvaardt will continue her journey with the Adelaide Strikers in the Women's Big Bash League (WBBL), having been signed as their pre-draft pick on a new two-year contract, as per ESPNcricinfo.
Marizanne Kapp returns to the Proteas side after being rested for the recent tri-nation series in Sri Lanka as South Africa prepare to tour the West Indies for three ODIs and as many T20Is from 11 - 23 June.
Chasing a target of 277, Laura Wolvaardt and Tazmin Brits opened the innings for SAW, the duo added a dominating 140 runs for the first wicket, before Deepti Sharma removed Laura Wolvaardt in the 28th over, for 43 (75) her innings included three fours.
After Ireland had squandered a good start, Laura Delany's late surge (57*) assisted them in keeping their composure, while Kathryn Bryce's outstanding all-round performance (131* and 3/49) nearly carried her team over the line.
South Africa have made a late adjustment to their squad for the upcoming Women's ODI tri-series in Sri Lanka, after a batting all-rounder was ruled out due to illness, as per the official website of ICC.