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

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Ka2 loss in 4 half-moves
3 Kb2 loss in 2 half-moves
4 Nc2 loss in 2 half-moves
5 Nd3 loss in 2 half-moves
6 Nf3 loss in 2 half-moves
7 Ng2 loss in 2 half-moves