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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Kd7 win in 5 half-moves
3 Ka4 win in 7 half-moves
4 Ka6 win in 7 half-moves
5 Kb4 win in 7 half-moves
6 Kb5 win in 7 half-moves
7 Ra7 win in 7 half-moves
8 Rb1 win in 7 half-moves
9 Rb2 win in 7 half-moves
10 Kab6 draw
11 Kb8 draw
12 Kc6 draw
13 Kc8 draw
14 Kcb6 draw
15 Kd8 draw
16 Rb3 draw
17 Kd6 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves