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 Ka1 draw
3 Ka3 draw
4 Kb7 draw
5 Kb8 draw
6 Kc7 draw
7 Kd7 draw
8 Kd8 draw
9 Ra6 draw
10 Ra7 draw
11 Kb1 loss in 2 half-moves
12 Kb2 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Rb8 loss in 2 half-moves