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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Kb6 win in 1 half-moves
3 Kb7 win in 1 half-moves
4 Rb8 win in 1 half-moves
5 Ka7 draw
6 Ra7 draw
7 Ka5 loss in 4 half-moves
8 Rc8 loss in 4 half-moves
9 Rf8 loss in 4 half-moves
10 Rd8 loss in 2 half-moves
11 Re8 loss in 2 half-moves
12 Rg8 loss in 2 half-moves
13 Rh8 loss in 2 half-moves