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 Kd6 draw
3 Kd7 draw
4 Kd8 draw
5 Kf6 draw
6 Kf7 draw
7 Kf8 draw
8 Rb8 draw
9 Rc8 draw
10 Rd8 draw
11 Ke6 loss in 4 half-moves
12 Rf8 loss in 2 half-moves
13 Rg8 loss in 2 half-moves
14 Rh8 loss in 2 half-moves