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 Ka1 draw
3 Kg7 draw
4 Kg8 draw
5 Kh7 draw
6 Ra3 draw
7 Rb1 draw
8 Rb4 draw
9 Rb5 draw
10 Rb6 draw
11 Rb7 draw
12 Rc3 draw
13 Rd3 draw
14 Re3 draw
15 Rg3 draw
16 Rh3 draw
17 Kb1 loss in 2 half-moves
18 Kb2 loss in 2 half-moves
19 Ka3 loss in 1 half-moves
20 Rb2 loss in 1 half-moves
21 Rf3 loss in 1 half-moves