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 Kc6 draw
3 Kd6 draw
4 Kd7 draw
5 Ra8 draw
6 Rb5 draw
7 Rb6 draw
8 Rb7 draw
9 Rc8 draw
10 Rg8 draw
11 Rh8 draw
12 Kc8 loss in 10 half-moves
13 Kb6 loss in 4 half-moves
14 Kb7 loss in 4 half-moves
15 Kd8 loss in 4 half-moves
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves