Click on the third or sixth rank to set the en passant target square.

EGTB: win in 6 half-moves

# move score
1 Rb8 win in 5 half-moves
2 Ra8 win in 13 half-moves
3 Ka4 draw
4 Ka6 draw
5 Kb4 draw
6 Kb5 draw
7 Kb6 draw
8 Ke5 draw
9 Ke6 draw
10 Ke7 draw
11 Kf5 draw
12 Kf7 draw
13 Kg5 draw
14 Kg6 draw
15 Kg7 draw
16 Rc8 draw
17 Rd8 draw
18 Re8 draw
19 Rf7 draw
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves