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 Rb1 draw
7 Rb2 draw
8 Rb4 draw
9 Rb5 draw
10 Rb6 draw
11 Rb7 draw
12 Kb5 loss in 4 half-moves
13 Kb6 loss in 4 half-moves
14 Kd5 loss in 4 half-moves
15 Rf3 loss in 4 half-moves
16 Rg3 loss in 4 half-moves
17 Rh3 loss in 4 half-moves
18 Kd7 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Re3 loss in 1 half-moves