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 Ka7 draw
4 Kb7 draw
5 Kc7 draw
6 Ra1 draw
7 Ra5 draw
8 Ra7 draw
9 Kc6 loss in 4 half-moves
10 Kb5 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Ra2 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Ra4 loss in 2 half-moves