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 Kb7 draw
5 Kc5 draw
6 Kc7 draw
7 Kd5 draw
8 Kd6 draw
9 Kd7 draw
10 Rb1 draw
11 Rb2 draw
12 Rb4 draw
13 Rb6 draw
14 Rb7 draw
15 Rc3 draw
16 Rd3 draw
17 Re3 draw
18 Rf3 draw
19 Rg3 draw
20 Ra3 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rh3 loss in 2 half-moves