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

EGTB: win in 2 half-moves

# move score
1 Ra5 win in 1 half-moves
2 Ra6 win in 1 half-moves
3 Ra7 win in 1 half-moves
4 Kd7 draw
5 Ke7 draw
6 Kf7 draw
7 Kf8 draw
8 Ka3 loss in 1 half-moves
9 Ka5 loss in 1 half-moves
10 Kb3 loss in 1 half-moves
11 Kb4 loss in 1 half-moves
12 Kb5 loss in 1 half-moves
13 Kd8 loss in 1 half-moves
14 Rb8 loss in 1 half-moves
15 Rc8 loss in 1 half-moves
16 Rd8 loss in 1 half-moves