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 Ka3 win in 1 half-moves
3 Ka4 win in 1 half-moves
4 Kb4 loss in 58 half-moves
5 Kc4 loss in 52 half-moves
6 Kb2 loss in 50 half-moves
7 Kc2 loss in 48 half-moves
8 Kc3 loss in 48 half-moves