Obi-Wan taught Anakin and Anakin became Darth Vader, their style is called by nerds as “Form V” (five) and the real life equivalent would be something like a Kendo style particularly with longer heavier weapons like Nodachi.

However, over time less dramatic and more useful techniques were introduced into the films like strong blocks, parry, and riposte and even crossguards. In contrast to how samurai fight with quick deadly strikes, drawn out battles were more common with european counterparts because they could make swords and armor out of stuff other than just rocks found on the side of the river smelted in a literal mud furnace.