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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 K3b4 draw
3 K3d3 draw
4 K3d4 draw
5 K4b4 draw
6 K4d3 draw
7 K4d4 draw
8 Kb2 draw
9 Kc2 draw
10 Kd2 draw
11 Ra3 draw
12 Rb1 draw
13 Rb2 draw
14 Rb4 draw
15 Rb5 draw
16 Kb5 loss in 1 half-moves
17 Kc5 loss in 1 half-moves
18 Kd5 loss in 1 half-moves
19 Rb6 loss in 1 half-moves
20 Rb8 loss in 1 half-moves