Pienaar had moved back to Transvaal in 1988–89 and later moved again to play for Northern Transvaal from 1993–94 until his retirement. He played his last senior cricket in December 1999.
Pienaar resumed his residence in Transvaal in 1988–89 and subsequently relocated once more to represent Northern Transvaal from 1993–94, ultimately retiring after playing his last senior game in December 1999.