Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Ka4 win in 1 half-moves
2 Kb4 win in 1 half-moves
3 Kb3 win in 3 half-moves
4 Kb2 loss in 34 half-moves
5 Ka2 loss in 12 half-moves