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

EGTB: win in 4 half-moves

# move score
1 Kd8 win in 3 half-moves
2 Kdd6 win in 3 half-moves
3 Ke8 win in 3 half-moves
4 Ke6 win in 5 half-moves
5 Ke7 win in 5 half-moves
6 Kc8 win in 7 half-moves
7 Rc8 draw
8 Kb5 loss in 2 half-moves
9 Kb6 loss in 2 half-moves
10 Kb7 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kcd6 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Rb7 loss in 2 half-moves