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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc7 draw
5 Kd7 draw
6 Kd8 draw
7 Ra3 draw
8 Ra5 draw
9 Ra7 draw
10 Ra1 loss in 2 half-moves
11 Ra2 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Ra4 loss in 1 half-moves