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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kb4 win in 3 half-moves
3 Kb5 win in 3 half-moves
4 Kc5 win in 3 half-moves
5 Nb5 win in 7 half-moves
6 Na4 win in 9 half-moves
7 Nb1 win in 11 half-moves
8 Na2 win in 13 half-moves
9 Kd3 loss in 4 half-moves
10 Kd4 loss in 4 half-moves
11 Kd5 loss in 4 half-moves
12 Nd1 loss in 2 half-moves
13 Nd5 loss in 2 half-moves
14 Ne2 loss in 2 half-moves
15 Ne4 loss in 2 half-moves