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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Ka2 win in 5 half-moves
4 Kb2 win in 5 half-moves
5 Kb3 win in 5 half-moves
6 Kc2 win in 5 half-moves
7 Ra2 win in 5 half-moves
8 Kc1 win in 21 half-moves
9 Ka5 win in 25 half-moves
10 Ka3 draw
11 Ra3 draw