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

EGTB: win in 8 half-moves

# move score
1 Kb8 win in 7 half-moves
2 Kb7 win in 11 half-moves
3 Kd6 win in 11 half-moves
4 Kc6 loss in 2 half-moves
5 Kcc7 loss in 2 half-moves
6 Kdc7 loss in 2 half-moves
7 Ke6 loss in 2 half-moves
8 Ke7 loss in 2 half-moves
9 Ke8 loss in 2 half-moves
10 Re8 loss in 2 half-moves
11 Rf8 loss in 2 half-moves
12 Rg8 loss in 2 half-moves
13 Rh8 loss in 2 half-moves