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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kc8 draw
3 Kd6 draw
4 Kd8 draw
5 Kdc6 draw
6 Ke6 draw
7 Ke7 draw
8 Ke8 draw
9 Ka5 loss in 1 half-moves
10 Ka6 loss in 1 half-moves
11 Ka7 loss in 1 half-moves
12 Kb5 loss in 1 half-moves
13 Kbc6 loss in 1 half-moves
14 Kbc7 loss in 1 half-moves
15 Kc5 loss in 1 half-moves
16 Kdc7 loss in 1 half-moves
17 Ra7 loss in 1 half-moves
18 Rc7 loss in 1 half-moves