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 Kd5 win in 3 half-moves
3 Kdc5 win in 3 half-moves
4 Rb5 win in 3 half-moves
5 Rb7 win in 3 half-moves
6 Kc6 win in 5 half-moves
7 Ke5 win in 5 half-moves
8 Kc7 draw
9 Kd7 draw
10 Ke6 draw
11 Ke7 draw
12 Kb5 loss in 4 half-moves
13 Ka3 loss in 2 half-moves
14 Ka4 loss in 2 half-moves
15 Ka5 loss in 2 half-moves
16 Kb3 loss in 2 half-moves
17 Kbc5 loss in 2 half-moves
18 Kc3 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Rc6 loss in 2 half-moves