By FOX SPORTS staff
The reigning world and European champions saw off Uruguay 2-1 in their opening Confederations Cup fixture, with Iniesta putting on an inspired show that earned him the man-of-the-match award.
Martinez told Marca that he often found himself in awe of what his compatriot was capable of on the pitch.
"Andres is out of this world, what he did against Uruguay was amazing. Quite often it seems like he's playing against kids. He gets around his opponents with such ease," Martinez pointed out.
"I was telling [Victor] Valdes the other day, I would love to be Iniesta for just one game. He is unbelievable."
The Bayern Munich man also revealed that he counted his blessings when the Bavarian side were able to see off Iniesta's club Barcelona relatively easily in the teams' recent Champions League semi-final tie.
"When Iniesta is on the other team to you, you don't enjoy it. He makes you suffer a lot and, if you give him an inch, he can do just about anything. But, when you play by his side, you can enjoy watching him do amazing things while making them look so easy," Martinez said.
"I was fortunate that in both Champions League semi-finals we were able to stop him and he didn't create too much danger."