[1] He was initially selected as part of Namibia's squad for the 2015 ICC World Twenty20 Qualifier tournament,[2] but was replaced by Michau du Preez.
[3] In October 2018, Groenewald was named in Namibia's squad in the Southern sub region group for the 2018–19 ICC World Twenty20 Africa Qualifier tournament in Botswana.
[6] In May 2019, he was included in Namibia's squad for the Regional Finals of the 2018–19 ICC T20 World Cup Africa Qualifier tournament in Uganda.
[10][11] In August 2019, he was named in Namibia's One Day International (ODI) squad for the 2019 United States Tri-Nation Series.
[14][15] Later the same month, Groenewald was named in Namibia's squad for the 2019 ICC T20 World Cup Qualifier tournament in the United Arab Emirates.