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 Kd5 draw
6 Kd6 draw
7 Kd7 draw
8 Ra3 draw
9 Rb4 draw
10 Rb6 draw
11 Rd3 draw
12 Re3 draw
13 Rf3 draw
14 Kb5 loss in 4 half-moves
15 Kb6 loss in 4 half-moves
16 Rc3 loss in 4 half-moves
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rh3 loss in 2 half-moves