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 K6b6 loss in 2 half-moves
3 K6b7 loss in 2 half-moves
4 K7b6 loss in 2 half-moves
5 K7b7 loss in 2 half-moves
6 Ka5 loss in 2 half-moves
7 Ka8 loss in 2 half-moves
8 Kb5 loss in 2 half-moves
9 Kb8 loss in 2 half-moves
10 Nd2 loss in 2 half-moves
11 Na3 loss in 1 half-moves
12 Nc3 loss in 1 half-moves