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

EGTB: win in 14 half-moves

# move score
1 Nb4 win in 13 half-moves
2 Nc7 win in 13 half-moves
3 b5 loss in 4 half-moves
4 Kc7 loss in 4 half-moves
5 Kc8 loss in 4 half-moves
6 Kd4 loss in 4 half-moves
7 Kd6 loss in 4 half-moves
8 Kd7 loss in 4 half-moves
9 Ke4 loss in 4 half-moves
10 Ke6 loss in 4 half-moves
11 Ke7 loss in 4 half-moves
12 Ke8 loss in 4 half-moves
13 Kf4 loss in 2 half-moves
14 Kf5 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Nc3 loss in 2 half-moves
17 Ne3 loss in 2 half-moves
18 Ne7 loss in 2 half-moves
19 Nf4 loss in 2 half-moves
20 Nf6 loss in 2 half-moves