[1] In November 2017, he scored his first century in Twenty20 cricket, when he made 103 not out for Dolphins against Cape Cobras in the 2017–18 Ram Slam T20 Challenge.

[3] The following month, he was named in Durban Heat's squad for the first edition of the Mzansi Super League T20 tournament.

[4][5] In September 2019, he was named in the squad for the Durban Heat team for the 2019 Mzansi Super League tournament.

[6] In December 2020, Erwee was named in South Africa's Test squad for their series against Sri Lanka.

[10] In December 2021, Erwee received another call-up to South Africa's Test squad, this time for their home series against India.