Requirements Tracability in VSO?

We are using Visual Studio Online (VSO) for Defect Management, Test Management and Requirements Management.

Is there any way to generate a report that shows a tracability matrix (test coverage) ? e.g. what Requirements are not covered by one or more test cases?

Bonus points if we can visually show what phase (iteration etc) that the requirement is being dealt with, so we can plan which phase different tests need to be executed in.