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 Kd7 draw
3 Kf6 draw
4 Kf7 draw
5 Kf8 draw
6 Rf8 draw
7 Kd8 loss in 6 half-moves
8 Rg8 loss in 6 half-moves
9 Rh8 loss in 6 half-moves
10 Kd6 loss in 2 half-moves
11 Ke6 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves