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

EGTB: win in 14 half-moves

# move score
1 Kb5 win in 13 half-moves
2 Ka3 draw
3 Ka5 draw
4 Ka7 draw
5 Kb3 draw
6 Kb4 draw
7 Kb7 draw
8 Kc7 loss in 2 half-moves
9 Kc8 loss in 2 half-moves
10 Ra5 loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Ra7 loss in 2 half-moves