The Stormers got their Super Rugby campaign off to a winning start when they beat the Jaguares 28-20 in Cape Town.
The Lions secured a hard-fought 26-19 victory over the Sharks in Super Rugby opening day action at Emirates Airline Park in Johannesburg.
The Brumbies got their 2018 campaign off to a positive start when they secured a 32-25 victory over the Sunwolves in Tokyo.
The Crusaders continued where they left off in 2017 when they claimed a hard-fought 45-23 win over the Chiefs in Christchurch.
The Melbourne Rebels claimed a record-breaking 45-19 victory over the Queensland Reds in their Super Rugby opener at AAMI Park on Friday.
The Highlanders made a fine start to their Super Rugby campaign when they claimed a 41-34 victory over the Blues in Dunedin.
This round is yet to be played