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

EGTB: win in 2 half-moves

# move score
1 Kb1 win in 1 half-moves
2 Kb5 win in 1 half-moves
3 K2a3 loss in 2 half-moves
4 K4a3 loss in 2 half-moves
5 Ka1 loss in 2 half-moves
6 Ka5 loss in 2 half-moves
7 Kb2 loss in 2 half-moves
8 Kb4 loss in 2 half-moves
9 K2b3 loss in 1 half-moves
10 K4b3 loss in 1 half-moves