Which episode number is when ash v paul in Sinnoh league?

Ash's battle with Paul in the Sinnoh League is spread across two episodes:

* Episode 397: "The Sinnoh Champions!": This is the first part of the battle, where Ash faces Paul in the semi-finals.

* Episode 398: "A Real Rival's Battle!": This is the concluding part of the battle, where the match reaches its end.