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

EGTB: win in 2 half-moves

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