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 Kb7 draw
4 Rb1 draw
5 Rb2 draw
6 Rb4 draw
7 Rb5 draw
8 Rb6 draw
9 Rb7 draw
10 Rd3 draw
11 Rf3 loss in 4 half-moves
12 Rg3 loss in 4 half-moves
13 Rh3 loss in 4 half-moves
14 Ka5 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Kb6 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Rc3 loss in 1 half-moves
19 Re3 loss in 1 half-moves