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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kbb4 win in 3 half-moves
3 Kc6 win in 3 half-moves
4 Ra6 win in 3 half-moves
5 Ka6 draw
6 Kc4 draw
7 Kc5 draw
8 Ra7 draw
9 Ra8 draw
10 Ka3 loss in 2 half-moves
11 Kab4 loss in 2 half-moves
12 Kb3 loss in 2 half-moves