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 Kf6 draw
3 Kf7 draw
4 Rf8 draw
5 Kf8 loss in 14 half-moves
6 Kg6 loss in 12 half-moves
7 Kh6 loss in 12 half-moves
8 Kh7 loss in 10 half-moves
9 Kh8 loss in 10 half-moves
10 Rh8 loss in 10 half-moves
11 Ra8 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re8 loss in 2 half-moves