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

EGTB: win in 2 half-moves

# move score
1 Ra8 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 Rc8 draw
15 Re8 draw
16 Rf8 draw
17 Rg8 draw
18 Rh8 draw
19 Rb8 loss in 1 half-moves