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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Rf7 win in 3 half-moves
3 Ka5 draw
4 Ka7 draw
5 Kb5 draw
6 Kb6 draw
7 Kb7 draw
8 Kf5 draw
9 Kf7 draw
10 Ra8 draw
11 Rc8 draw
12 Rd8 draw
13 Re8 draw
14 Ke5 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Ke7 loss in 2 half-moves
17 Kg5 loss in 2 half-moves
18 Kg6 loss in 2 half-moves
19 Kg7 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves