Vegito, tell me again. Why is it that you even try? You know you couldn't defeat me last time.
He watched as the smoke bomb covered the entire line of sight between them. He took advantage of the situation, to push himself and run in an arc around Vegito, running over the tables (and thus avoiding the kunai), to reach at 3 o'clock position of Vegito.
As he runs, he would infuse his shadow chakra into his kunai [K1], before throwing it at Vegito. The kunai would actually land on the table in front of Vegito, not actually hitting him. He had two purpose for doing this. The first, to know if he has sensory capabilities, by judging the way he (if he) counters the kunai. And the second, well, wait and watch.