Did L win against Light? Let me elaborate:
After L's death in episode 25, we assume that Light won. But in episode 26, L leaves a message in his computer (which Light deletes in the same episode).
Also, at the end of the episode, we see that some data is being sent from L's personal computer.
So, my question is: did he know/confirm that Light was Kira and sent the case data to Near?
Note:By "winning", I mean that L defeated Light in their mind game/battle. L had confirmed that Light is Kira( but could not prove it in front of the whole world). He was able to see that Light would come to kill him in the future and confirmed that Light is Kira (when Light smiles at L's dying body). This is purely a theory based on the possibility that the transmitted data can indeed be the case data stating Light as Kira.