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 Kb3 draw
3 Kb5 draw
4 Kc3 draw
5 Kc5 draw
6 Rb2 draw
7 Rb4 draw
8 Rb5 draw
9 Rb6 draw
10 Rc7 draw
11 Rd7 draw
12 Kd3 loss in 22 half-moves
13 Kb4 loss in 8 half-moves
14 Kd4 loss in 6 half-moves
15 Kd5 loss in 6 half-moves
16 Ra7 loss in 6 half-moves
17 Re7 loss in 4 half-moves
18 Rb1 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves
22 Rf7 loss in 1 half-moves