Well, their lives certainly changed when they first met. And due to his face and body language, it looks like he does like her, but as for he "loves" her or not, we may never know
Ahsoka
No. But, they have a strong realationship!
The name of his apprentice is Ahsoka Tano
No. Ahsoka has only appeared in the Clone Wars. And her fate hasn't been confirmed yet, so we don't know what happens to her
Ah, what a delightful question! Captain Rex, a beloved character from the Star Wars universe, actually appears in the animated series "Star Wars: The Clone Wars" and "Star Wars Rebels." While he hasn't made an appearance in the live-action movies, his presence in the animated series has touched the hearts of many fans.
No, Ahsoka doesn't have any sentimental relationships in Star Wars: The Clone Wars
Ahsoka
No. But, they have a strong realationship!
Dave Filoni; the director on Star Wars the Clone Wars
No
Yes, Ahsoka and Rex are friends
Ahsoka Tano served as Skywalker's Padawan during the Clone Wars.
The name of his apprentice is Ahsoka Tano
If you mean Ahsoka Tano, then she is the Padawan apprentice to Anakin Skywalker in Star Wars: The Clone Wars animated movie and following animated series.
Ahsoka Tano returns in season six, but only for a moment as a vision from Yoda.
That episode is Season 3 Episode 16 "Altar of Mortis." (And actually, the only reason why Ahsoka turned evil was due to the living embodiment of the dark side of the Force corrupting her with a spell in an attempt to get Anakin to join the dark side)
Rex's fate is a mystery to be revealed. As is Ahsoka Tano.