This duel occurred between Lando Calrissian and Lumiya in 3 ABY.
The duel[]
Lando Calrissian engaged Lumiya in the Jedi Temple, while Luke Skywalker and his apprentice Umnira were delivering Raster to Rotta the Hutt. Having completed the delivery, Lando claimed Lumiya had failed, who then cursed him for it. Lando then escaped on a Rebel Jedi shuttle, leaving Lumiya behind.