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 Kb6 draw
5 Kb7 draw
6 Kg1 draw
7 Ra8 draw
8 Rc8 draw
9 Re8 draw
10 Rf8 draw
11 Rg8 draw
12 Rh2 draw
13 Rh3 draw
14 Rh4 draw
15 Rh5 draw
16 Rh6 draw
17 Rh7 draw
18 Kg2 loss in 2 half-moves
19 Kh2 loss in 2 half-moves
20 Kb5 loss in 1 half-moves
21 Rd8 loss in 1 half-moves