Provincial rugby Van Rensburg represented
Western Transvaal at the
Craven Week for high schools in 1984 and 1985 and also represented Western Transvaal at under–20 level. In 1989 he made his senior provincial debut for
Northern Transvaal. Van Rensburg relocated to
Transvaal in 1992 and made his
Springboks debut as a Transvaal player. He moved back to Northern Transvaal in 1995, after which he also played for
Eastern Province and
South Western Districts.
Springboks He played his first test match for the
Springboks on
15 Augustus 1992 against
New Zealand at Ellis Park in Johannesburg. At the end of 1992 Van Rensburg toured with the Springboks to France and England, but played in only one test on tour, that against England. Van Rensburg also toured with the Springboks to Australia in 1993 and as a replacement, to New Zealand in 1994. His last test was on 23 July 1994 against
New Zealand at
Athletic Park in
Wellington. He scored 40 points (12 penalties, 2 conversions) in test matches for the Springboks and also played in 15 tour matches scoring 142 points (7 tries, 19 conversions, 22 penalties and 1 drop goal). ==Honours==