The Western Force have all but ended the NSW Waratahs' finals hopes and heaped more pressure on under-fire coach Darren Coleman with a 27-7 victory at HBF Park.

The Blues have retained top spot in the Super Rugby Pacific standings with a comprehensive 47-13 rout of New Zealand rivals the Highlanders.

The ACT Brumbies have secured a Super Rugby Pacific home play-off final after a last-minute penalty try ensured a gutsy 31-24 win over the Crusaders at GIO Stadium in Canberra.

The Queensland Reds' Super Rugby Pacific home finals hopes have evaporated in a crushing homecoming for fallen Wallabies star Suliasi Vunivalu.