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

EGTB: win in 2 half-moves

# move score
1 Ra2 win in 1 half-moves
2 Ka4 draw
3 Ka6 draw
4 Kb4 draw
5 Kb6 draw
6 Kc4 draw
7 Kc5 draw
8 Ra3 draw
9 Ra4 draw
10 Ra6 draw
11 Kc6 loss in 2 half-moves
12 Ra1 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Ra8 loss in 2 half-moves