Frontrunners the Down Touch Griffons beat the Boland Kavaliers 36-31 in Bredasdorp, where the visitors registered win number six of the campaign.
In Brakpan, the Valke were unable to overcome the SWD Eagles, with the visitors victorious by 38-35 in a tight contest.
Defending champions, the Leopards, were also unable to make home advantage count when they slipped to a 34-31 defeat to Eastern Province in Potchefstroom.
In the final game of the weekend, the Zimbabwe Goshawks beat the Border Bulldogs by 18-8 in Mdantsane on Sunday afternoon, while the Black Lion from Georgia and Kenyan Simbas had a bye this round.
The Down Touch Griffons are unbeaten after six games and have increased their lead at the top of the overall standings to 30 points. They are followed by Valke on 22 points, also from six games, and EP, who are third on 21 points from five games.
In terms of the Carling Currie Cup Promotion Barometer, which is the race to the Carling Currie Cup Premier Division for the SA sides, EP have strengthened their grip on the number one place thanks to their vital away win in Potchefstroom.
The Eastern Cape side leads the promotion barometer standings on 20 points after four games, five points more than the second-placed Down Touch Griffons (15 from three games), and six points more than SWD Eagles who are third, on 14 points from five games. The next round of matches takes place this coming weekend.
