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 Ka3 draw
3 Ka4 draw
4 Ka5 draw
5 Kb5 draw
6 Kc4 draw
7 Kc5 draw
8 Ra7 draw
9 Rb5 draw
10 Rf7 draw
11 Rg7 draw
12 Rh7 draw
13 Kb3 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Re7 loss in 2 half-moves