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

EGTB: win in 2 half-moves

# move score
1 Ka1 win in 1 half-moves
2 Kc1 win in 1 half-moves
3 Ka2 loss in 48 half-moves
4 Kb2 loss in 48 half-moves
5 Kc2 loss in 48 half-moves