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 Ka3 draw
3 Ka5 draw
4 Kb2 draw
5 Kc2 draw
6 Kd2 draw
7 Kd3 draw
8 Ra3 draw
9 Rb1 draw
10 Rb2 draw
11 Rb4 draw
12 Kab4 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kcb4 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves