Azzedine Ounahi netted twice and Abde Ezzalzouli, Achraf Hakimi and Soufiane Rahimi once each as 2022 World Cup semi-finalists Morocco eased to victory in Oujda after leading 4-0 by half-time.
The Kings fought two nerve-wracking matches to stun the Anish Giri-led Knights 9-7 with white pieces and followed it up with a 13-7 victory with black in the second.
The GCL is the world's first and largest official franchise league of its kind, with chess players from all over the world competing in a unique joint team format
Telugu Titans' Pawan Sehrawat reached the 10-point mark and had the likes of Krishan, Vijay Malik, Sagar, and Ajit Pawar giving him ample support.
However, City boss Pep Guardiola expressed belief in his midfield general and his ability to bounce back.