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

EGTB: win in 6 half-moves

# move score
1 Kcb7 win in 5 half-moves
2 Rb7 win in 5 half-moves
3 Kd7 win in 13 half-moves
4 Kb5 draw
5 Kbb7 draw
6 Kcc7 draw
7 Kd8 draw
8 Ka5 loss in 2 half-moves
9 Ka6 loss in 2 half-moves
10 Ka7 loss in 2 half-moves
11 Kbc7 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Ra8 loss in 2 half-moves