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 Ka7 draw
3 Kb5 draw
4 Kb6 draw
5 Rb1 draw
6 Rb2 draw
7 Rc3 draw
8 Rd3 draw
9 Re3 draw
10 Rg3 draw
11 Rh3 draw
12 Ka5 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rf3 loss in 2 half-moves