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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Ka5 draw
3 Kb5 draw
4 Kc5 draw
5 Kc6 draw
6 Kc7 draw
7 Ra4 draw
8 Ra5 draw
9 Ka7 loss in 20 half-moves
10 Kb7 loss in 20 half-moves
11 Ra1 loss in 2 half-moves
12 Ra2 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Ra7 loss in 2 half-moves