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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kbb5 win in 3 half-moves
3 Kc5 win in 3 half-moves
4 Kc7 win in 3 half-moves
5 Ra7 win in 3 half-moves
6 Kab5 win in 7 half-moves
7 Kb4 win in 7 half-moves
8 Kc6 win in 13 half-moves
9 Ka4 win in 15 half-moves
10 Ka7 draw
11 Ra8 draw