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

EGTB: win in 26 half-moves

# move score
1 K7b7 win in 25 half-moves
2 K8b7 loss in 3 half-moves
3 Ka6 loss in 3 half-moves
4 Nd7 loss in 3 half-moves
5 b5 loss in 2 half-moves
6 Na6 loss in 2 half-moves
7 Nc6 loss in 2 half-moves