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 Kb2 loss in 10 half-moves
4 Ka2 loss in 8 half-moves
5 Kb3 loss in 2 half-moves