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

EGTB: win in 10 half-moves

# move score
1 Ka7 win in 9 half-moves
2 Kc7 draw
3 Kc8 draw
4 Ke7 draw
5 Ke8 draw
6 Ra7 draw
7 Rc8 draw
8 Ka5 loss in 2 half-moves
9 Kb5 loss in 2 half-moves
10 Kb6 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Rb8 loss in 2 half-moves