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 Kb5 draw
3 Kb6 draw
4 Kc6 draw
5 Kd5 draw
6 Kd6 draw
7 Ra7 draw
8 Rb2 draw
9 Rb3 draw
10 Rb4 draw
11 Rb5 draw
12 Rb6 draw
13 Rc7 draw
14 Re7 draw
15 Rf7 draw
16 Rg7 draw
17 Rh7 draw
18 Kb4 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Kd4 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rd7 loss in 2 half-moves