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

EGTB: win in 4 half-moves

# move score
1 Kc7 win in 3 half-moves
2 Kd7 win in 3 half-moves
3 Ke7 win in 3 half-moves
4 Ra7 win in 3 half-moves
5 Ra5 draw
6 Ra6 draw
7 Rb8 draw
8 Kc8 loss in 4 half-moves
9 Ke8 loss in 4 half-moves
10 Ra1 loss in 2 half-moves
11 Ra2 loss in 2 half-moves
12 Ra3 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Rc8 loss in 2 half-moves