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 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Kcc6 draw
6 Kcc8 draw
7 Kcd6 draw
8 Kdc6 draw
9 Kdc8 draw
10 Kdd6 draw
11 Ke6 draw
12 Ke7 draw
13 Ke8 draw
14 Re8 draw
15 Rf8 draw
16 Rg8 draw
17 Rh8 draw
18 Ra8 loss in 1 half-moves
19 Rc8 loss in 1 half-moves