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 Kb7 draw
3 Kc5 draw
4 Kc7 draw
5 Kd6 draw
6 Ra5 draw
7 Rb1 draw
8 Rb2 draw
9 Rb6 draw
10 Rc5 draw
11 Rd5 draw
12 Re5 draw
13 Rg5 draw
14 Kb6 loss in 6 half-moves
15 Kd5 loss in 4 half-moves
16 Kd7 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rf5 loss in 1 half-moves
21 Rh5 loss in 1 half-moves