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 Kd5 win in 3 half-moves
3 Kd6 win in 3 half-moves
4 Ra8 win in 9 half-moves
5 Rb8 win in 9 half-moves
6 Kcc7 draw
7 Kcd7 draw
8 Rc7 draw
9 Kb5 loss in 4 half-moves
10 Kb6 loss in 4 half-moves
11 Kc5 loss in 4 half-moves
12 Kdc7 loss in 2 half-moves
13 Kdd7 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ke8 loss in 2 half-moves