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 Kc5 draw
3 Kc7 draw
4 Kd5 draw
5 Kd6 draw
6 Kd7 draw
7 Ra5 draw
8 Rb6 draw
9 Rb7 draw
10 Rf5 draw
11 Rg5 draw
12 Rh5 draw
13 Rb3 loss in 26 half-moves
14 Kb7 loss in 20 half-moves
15 Kb6 loss in 12 half-moves
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rd5 loss in 2 half-moves
21 Re5 loss in 2 half-moves