In July 2018, she was named in the ICC Women's Global Development Squad.[8] In November 2018, she was again named in the Women's Global Development Squad, to play fixtures against Women's Big Bash League (WBBL) clubs.[9]
In May 2019, she was named in Netherlands' squad for the 2019 ICC Women's Qualifier Europe tournament in Spain.[10] On 27 June 2019, in the match against Germany, Kalis scored her first century in WT20Is,[11][12] and equalled the record for the highest score in a WT20I, with 126 not out.[13] She was the leading run-scorer in the tournament, with 158 runs in four matches.[14][15]
In August 2019, she was named in the Dutch squad for the 2019 ICC Women's World Twenty20 Qualifier tournament in Scotland.[16] She was the leading run-scorer for the Netherlands in the tournament, with 117 runs in five matches.[17]
In November 2020, Kalis was nominated for the ICC Women's Associate Cricketer of the Decade award.[18] In October 2021, she was named in the Dutch team for the 2021 Women's Cricket World Cup Qualifier tournament in Zimbabwe.[19]
In May 2022, Kalis played seven matches for the tournament-winning Tornadoes team at the 2022 FairBreak Invitational T20 in Dubai, United Arab Emirates. During the Invitational, she scored a total of 225 runs, the fifth-highest of any player, including two fifties, and two other scores in excess of 40.[1][22] She was also awarded player of the match for top scoring with 32 in her team's first match, against the Sapphires team.[22][23]