Oda considers Law as a swordsman judging by his comment about Usopp Gallery in volume 70. OP Magazine 9 confirmed those UG comments were written by Oda himself. He described Law, Zoro, Kinemon and Brook as "4 swordsmen". Then, what about Fujitora, Shanks, Rayleigh..?
https://mobile.twitter.com/sandman_AP/status/1389205879199653888
https://mobile.twitter.com/sandman_AP/status/1389205879199653888