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 Ka7 draw
3 Kb6 draw
4 Kb7 draw
5 Kg3 draw
6 Kg4 draw
7 Kg5 draw
8 Kh3 draw
9 Kh5 draw
10 Ra8 draw
11 Rc8 draw
12 Rd8 draw
13 Re8 draw
14 Rf8 draw
15 Rg8 draw
16 Rh5 draw
17 Rh6 draw
18 Rh7 draw
19 Ka5 loss in 1 half-moves
20 Kb5 loss in 1 half-moves