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 Ka2 draw
3 Kb2 draw
4 Kc1 draw
5 Kc2 draw
6 Ra5 draw
7 Ra7 draw
8 Ra2 loss in 2 half-moves
9 Ra3 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Ra6 loss in 2 half-moves