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 Kc5 draw
5 Kc7 draw
6 Kd5 draw
7 Kd6 draw
8 Kd7 draw
9 Ra7 draw
10 Rb3 draw
11 Rb4 draw
12 Rb5 draw
13 Rb6 draw
14 Rc7 draw
15 Rf7 draw
16 Rg7 draw
17 Rh7 draw
18 Rb1 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rd7 loss in 2 half-moves
21 Re7 loss in 2 half-moves