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

EGTB: win in 8 half-moves

# move score
1 Kc7 win in 7 half-moves
2 Kc8 loss in 4 half-moves
3 Ka6 loss in 2 half-moves
4 Kab7 loss in 2 half-moves
5 Kb6 loss in 2 half-moves
6 Kbb7 loss in 2 half-moves