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

EGTB: win in 2 half-moves

# move score
1 Na6 win in 1 half-moves
2 Na8 win in 1 half-moves
3 b5 loss in 2 half-moves
4 Kc3 loss in 2 half-moves
5 Kc4 loss in 2 half-moves
6 Kc5 loss in 2 half-moves
7 Kc8 loss in 2 half-moves
8 Kd3 loss in 2 half-moves
9 Kd5 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Ke3 loss in 2 half-moves
12 Ke4 loss in 2 half-moves
13 Ke5 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ke8 loss in 2 half-moves
16 Nb5 loss in 2 half-moves
17 Nd5 loss in 2 half-moves
18 Ne6 loss in 2 half-moves
19 Ne8 loss in 2 half-moves