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

EGTB: win in 4 half-moves

# move score
1 b3 win in 3 half-moves
2 Kd7 win in 3 half-moves
3 Kd8 win in 3 half-moves
4 Nc5 win in 7 half-moves
5 Kb7 win in 9 half-moves
6 Nd6 win in 11 half-moves
7 Kb5 loss in 6 half-moves
8 Ka5 loss in 4 half-moves
9 Ka7 loss in 4 half-moves
10 Kb6 loss in 4 half-moves
11 Ke7 loss in 4 half-moves
12 Kf7 loss in 4 half-moves
13 Kf8 loss in 4 half-moves
14 Nc3 loss in 2 half-moves
15 Nd2 loss in 2 half-moves
16 Nf2 loss in 2 half-moves
17 Nf6 loss in 2 half-moves
18 Ng3 loss in 2 half-moves
19 Ng5 loss in 2 half-moves