The teenager was a complete joy on the left flank as he toyed with the entire PSG backline for 90 minutes.
He constantly terrorised PSG right-back Achraf Hakimi and provided a great assist for Rennesâ opening goal.
The Ghanaian prodigy picked out teammate Gaetan Laborde with a perfectly weighted cross, with the latter doing the rest by smashing the ball home.
Kamaldeen ended the game with 23 completed passes, one big chance created, four tackles won, two interceptions and one clearance.
Flavien Tait added a second immediately after the restart as Rennes won the game 2-0 against the Ligue 1 champions.
Kamaldeenâs monstrous performance didnât go unnoticed and there were plenty of fans who took to Twitter to praise the young winger.
Before the game, he had expressed his delight to be sharing the same pitch with superstars like Messi and Neymar.
"I knew I was going to have more playing time in Rennes. I felt that I was a priority here and also, I knew that I was going to be able to play against big teams like PSG," he said.
"I came for this kind of game. Messi, Neymar, I watched them play when I was little, so being able to be on the same pitch as them is exciting and makes you want to give your all to show what I'm capable of. It's a game I dreamed of playing."
Watch the highlights of Kamaldeenâs impressive performance against PSG below: