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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Ka3 draw
3 Kb3 draw
4 Nd7 draw
5 Kb5 loss in 20 half-moves
6 Ka5 loss in 16 half-moves
7 Na8 loss in 4 half-moves
8 Nc4 loss in 2 half-moves
9 Nc8 loss in 2 half-moves
10 Nd5 loss in 2 half-moves