The German has brought on another central defender when trying to hold onto a lead late in matches.
And Matip believes the manager's decision has helped solidify the defence.
"Normally I would say it always helps to have another centre-back on who helps with the defence – who has defending in his mind, in his head – to give more solidity in the last few minutes, but of course you also have to adapt to the new situation.
"We have done this a few times now though so it is no longer a new situation for the players on the pitch to deal with.
"Maybe the manager will start with three at the back if a certain situation requires it, or it fits well for a game. I don't know, but it's an opportunity that maybe we will use."