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

EGTB: win in 2 half-moves

# move score
1 b2 win in 1 half-moves
2 K6a7 loss in 2 half-moves
3 K6c6 loss in 2 half-moves
4 K6c7 loss in 2 half-moves
5 K7a7 loss in 2 half-moves
6 K7c6 loss in 2 half-moves
7 K7c7 loss in 2 half-moves
8 Ka5 loss in 2 half-moves
9 Ka8 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Kb8 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kc8 loss in 2 half-moves
14 Nb4 loss in 2 half-moves
15 Nb8 loss in 2 half-moves
16 Nc5 loss in 2 half-moves
17 Nc7 loss in 2 half-moves