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

EGTB: win in 4 half-moves

# move score
1 Ka6 win in 3 half-moves
2 Ka3 draw
3 Ka5 draw
4 Ka8 draw
5 Kb8 draw
6 Kc7 draw
7 Kc8 draw
8 Ra6 draw
9 Ra8 draw
10 Kb3 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Ra5 loss in 2 half-moves