How to play in offline multiplayer mode

Hi,
I have been reading that you can play this game in offline multi player mode (2 players in the same room against each other). But I am not able to find how to do this. Can anyone please help me here.
Is it even possible?

You should be able to connect two players in any of the offline modes except grand slam. Make sure both controllers are turned on.

If you are still having trouble post again and I'll try and explain better.

Just click on play now and pick your players!

I am also unable to get into mutlplayer mode. It doesn't recognize the 2nd remote.. no place (as there is in Wii tennis) to set up number of players...

Electronic Arts

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Mass Effect 3