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 Kb5 draw
5 Kb6 draw
6 Kb7 draw
7 Kd4 draw
8 Kf3 draw
9 Kf4 draw
10 Ra8 draw
11 Rc8 draw
12 Rd8 draw
13 Re5 draw
14 Re6 draw
15 Re7 draw
16 Rf8 draw
17 Rh8 draw
18 Kd3 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Ke3 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Kf5 loss in 2 half-moves
23 Rg8 loss in 1 half-moves