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 Kb6 win in 11 half-moves
3 Ra4 win in 13 half-moves
4 Ka5 draw
5 Ka7 draw
6 Kab5 draw
7 Kb7 draw
8 Rb1 draw
9 Rb2 draw
10 Rb3 draw
11 Kb3 loss in 2 half-moves
12 Kc3 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Kcb5 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves