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

EGTB: win in 4 half-moves

# move score
1 Ka5 win in 3 half-moves
2 Kc6 draw
3 Ka6 loss in 8 half-moves
4 Ka7 loss in 8 half-moves
5 Kc7 loss in 6 half-moves
6 Kb5 loss in 4 half-moves
7 Rb8 loss in 4 half-moves
8 Kc5 loss in 2 half-moves
9 Ra7 loss in 2 half-moves
10 Rc7 loss in 2 half-moves
11 Rd7 loss in 2 half-moves
12 Re7 loss in 2 half-moves
13 Rf7 loss in 2 half-moves
14 Rg7 loss in 2 half-moves
15 Rh7 loss in 2 half-moves