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

EGTB: win in 20 half-moves

# move score
1 Ka6 win in 19 half-moves
2 Kb5 loss in 8 half-moves
3 Kf5 loss in 4 half-moves
4 Kf7 loss in 4 half-moves
5 Kg5 loss in 4 half-moves
6 Kg6 loss in 4 half-moves
7 Kg7 loss in 4 half-moves
8 b5 loss in 3 half-moves
9 Ka4 loss in 2 half-moves
10 Kb4 loss in 2 half-moves
11 Ke5 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Nc7 loss in 2 half-moves