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 Ka5 draw
3 Ka7 draw
4 Kb6 draw
5 Ra7 draw
6 Rb1 draw
7 Rb2 draw
8 Rb4 draw
9 Rb5 draw
10 Rc7 draw
11 Re7 draw
12 Rf7 draw
13 Rh7 draw
14 Kb5 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Rg7 loss in 1 half-moves