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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kb4 win in 3 half-moves
3 Ka4 win in 9 half-moves
4 Ka2 draw
5 Kb2 draw
6 Kc8 draw
7 Ra4 draw
8 Ra5 draw
9 Ra6 draw
10 Ka7 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Ra7 loss in 2 half-moves