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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc6 draw
5 Kc8 draw
6 Rb4 draw
7 Rb6 draw
8 Rb7 draw
9 Rb8 draw
10 Rc3 draw
11 Rd3 draw
12 Kd6 loss in 4 half-moves
13 Kd7 loss in 4 half-moves
14 Kd8 loss in 4 half-moves
15 Kb6 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rh3 loss in 2 half-moves
22 Ra3 loss in 1 half-moves