The UK's Brexit deadline to leave the European Union is on October 31. Assuming it goes ahead, what does it mean for Japan if the UK leaves the EU? Chris Russell and Oscar Boyd discuss in this week's episode of Deep Dive.

Also, Dan Orlowitz reports on Japan's epic victory over Ireland at the Rugby World Cup.

Take our survey and help Deep Dive to improve!

More reading:

• Articles by Chris Russell

• Articles by Dan Orlowitz

• Articles by Oscar Boyd

Photo by AFP-JIJI