A VPN can make it appear that you're browsing from a different location / country.
So, the real question is.... Is there a way to stream those games providing you're in a specific country ?
If so, then a combination of that streaming service plus a VPN will give you what you're after.
I know there's a couple of good rugby streaming services.
I've used NBC gold and it's great for the premiership, but I don't think it shows other leagues
Rugby Pass is another. I think that shows a lot more competitions, but others here will be able to confirm exactly which ones