Festival hosts Hoër Landbouskool Oakdale beat Voortrekker Bethlehem 35-5.
In other notable results, De Aar mauled Knysna 69-0, while Diamantveld beat Strand 15-5 and Pietersburg edged Die Brandwag from the Eastern Cape 21-18.
Results:
Overberg 20 Monument Park 5
Knysna 0 De Aar 69
Augsburg Gym 24 Bredasdorp 7
M&F Agri Inv XV 10 Hermanus 10
Strand 5 Diamantveld 15
Vredendal 12 Aliwal North 7
Durbanville 12 Ligbron 5
Montagu 10 Upington 30
Stellenbosch 3 Brackenfell 15
Hugenote 20 Sentraal (FS) 35
Die Brandwag (EP) 18 Pietersburg 21
Bellville 15 Kempton Park 19
Oakdale 35 Voortrekker Bethlehem 5