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