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 Kcd6 draw
7 Kcd8 draw
8 Kdc6 draw
9 Kdd6 draw
10 Kdd8 draw
11 Rd8 draw
12 Re8 draw
13 Rf8 draw
14 Rg8 draw
15 Rh8 draw
16 Ke6 loss in 1 half-moves
17 Ke7 loss in 1 half-moves
18 Ke8 loss in 1 half-moves
19 Ra8 loss in 1 half-moves