Fiqh-us-Sunnah Volume 5, Hajj and ‘Umrah, Fiqh 5.073C.

Section : When Making Tawaf the Ka’bah Should Be to the Left of the Person Performing Tawaf. Circumambulating with the Ka bah on one’s right is invalid.

Jabir (may Allah be pleased with him) reported: “When Allah’s Messenger arrived in Makkah, he went to the Black Stone, kissed it, and then walked on its right side. He jogged three rounds and walked the remaining four.” (Muslim)