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

EGTB: win in 2 half-moves

# move score
1 Ka2 win in 1 half-moves
2 Kb2 win in 1 half-moves
3 Kc2 win in 1 half-moves
4 Ka1 loss in 36 half-moves
5 Kc1 loss in 36 half-moves