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

EGTB: win in 2 half-moves

# move score
1 b3 win in 1 half-moves
2 Kd7 win in 1 half-moves
3 Kd8 win in 1 half-moves
4 Nd6 win in 1 half-moves
5 Ka6 loss in 2 half-moves
6 Ka7 loss in 2 half-moves
7 Ka8 loss in 2 half-moves
8 Kb6 loss in 2 half-moves
9 Kbb8 loss in 2 half-moves
10 Kbc7 loss in 2 half-moves
11 Kc6 loss in 2 half-moves
12 Kcb8 loss in 2 half-moves
13 Kcc7 loss in 2 half-moves
14 Nc7 loss in 2 half-moves
15 Nf6 loss in 2 half-moves
16 Ng7 loss in 2 half-moves