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

EGTB: win in 2 half-moves

# move score
1 Rc8 win in 1 half-moves
2 Ke7 win in 5 half-moves
3 Kd7 draw
4 Kd8 draw
5 Ra1 draw
6 Ra2 draw
7 Ra3 draw
8 Ra4 draw
9 Rb8 draw
10 Rd8 draw
11 Kf7 loss in 2 half-moves
12 Kf8 loss in 2 half-moves
13 Ra5 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Ra7 loss in 2 half-moves