Hundreds of thousands of Kiwi homes might not be able to stream the Rugby World Cup through Spark Sport - at least not smoothly and to a regular television.

The telco's website and app will be the only way to watch every World Cup game live, with various options for those on a fast internet connection to "cast" games to a big-screen TV.

Network provider Chorus says it has the capacity to connect 90,000 premises to Ultrafast Broadband (UFB) fibre between now and the day the Rugby World Cup kicks off on September 20.

That's a problem, because it means


Spark Sport fares well in first test

Plan B secret for now

Warm-up now