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 Ke4 draw
8 Kg4 draw
9 Kg5 draw
10 Ra8 draw
11 Rc8 draw
12 Rd8 draw
13 Re8 draw
14 Rf5 draw
15 Rf6 draw
16 Rf7 draw
17 Rg8 draw
18 Ke3 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Kf3 loss in 2 half-moves
21 Kf5 loss in 2 half-moves
22 Kg3 loss in 2 half-moves
23 Rh8 loss in 1 half-moves