Two more people were arrested outside the ASB Tennis Classic in Auckland on Friday, as protesters continued their demonstrations against Israeli player Shahar Peer's participation.
Global Peace and Justice group members objecting to Israel's treatment of Palestinians have been protesting outside the tournament this week.
On Thursday five people, including the group's spokesperson, veteran activist John Minto, were arrested. Another person was arrested earlier in the week. Mr Minto says he has been charged with disorderly behaviour.
The protesters have been using megaphones outside the tournament to disrupt play.
Peer lost her semi-final match against Belgium's Yanina Wickmayer.