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

EGTB: win in 2 half-moves

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