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