Zephyr Hypothesis: Which unit is swept at the beginning of combat?

If you put a unit in your [[Bottom/3rd row most left space]] equipped with a it will sweep up the unit that is on the space mirrored from the opponent's side (So their [[Bottom/3rd row most left space]] or until it hits a unit moving from right to left. Pretty certain it works the same way in the other rows.

But here's the problem. I can't test it since my client closed. Think some amazing PBE testers could test it for me? I have a high suspicion that's how the works. Thanks and Happy TFT!