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

EGTB: win in 8 half-moves

# move score
1 b3 win in 7 half-moves
2 Ka8 win in 11 half-moves
3 Kb8 win in 11 half-moves
4 Kc6 win in 11 half-moves
5 Kc8 win in 11 half-moves
6 Nb5 win in 11 half-moves
7 Na8 win in 15 half-moves
8 Ka7 loss in 4 half-moves
9 Kb5 loss in 4 half-moves
10 Kba6 loss in 4 half-moves
11 Kbb6 loss in 4 half-moves
12 Na6 loss in 4 half-moves
13 Ka4 loss in 3 half-moves
14 Kaa6 loss in 3 half-moves
15 Kab6 loss in 3 half-moves
16 Nd5 loss in 2 half-moves
17 Ne6 loss in 2 half-moves
18 Ne8 loss in 2 half-moves