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 Kb5 draw
3 Kg4 draw
4 Kg5 draw
5 Kg6 draw
6 Kh4 draw
7 Kh6 draw
8 Rb5 draw
9 Rb6 draw
10 Rd7 draw
11 Re7 draw
12 Rf7 draw
13 Rg7 draw
14 Rh7 draw
15 Ka3 loss in 2 half-moves
16 Ka4 loss in 2 half-moves
17 Ka5 loss in 2 half-moves
18 Kb3 loss in 2 half-moves
19 Kc3 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Kc5 loss in 2 half-moves
22 Ra7 loss in 2 half-moves
23 Rc7 loss in 2 half-moves