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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ra8 draw
3 Rb1 draw
4 Rb2 draw
5 Rb3 draw
6 Rc8 draw
7 Re8 draw
8 Rf8 draw
9 Rg8 draw
10 Rh8 draw
11 Kb5 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Kg5 loss in 2 half-moves
20 Kg6 loss in 2 half-moves
21 Kg7 loss in 2 half-moves
22 Kh5 loss in 2 half-moves
23 Kh7 loss in 2 half-moves
24 Rb5 loss in 2 half-moves
25 Rb6 loss in 2 half-moves
26 Rb7 loss in 2 half-moves
27 Rd8 loss in 2 half-moves