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