Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rf8 win in 3 half-moves
2 Rg7 win in 3 half-moves
3 Kg7 draw
4 Kg5 loss in 4 half-moves
5 Kf5 loss in 2 half-moves
6 Kf6 loss in 2 half-moves
7 Kf7 loss in 2 half-moves
8 Kh5 loss in 2 half-moves
9 Kh6 loss in 2 half-moves
10 Kh7 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rh8 loss in 2 half-moves
16 Rd8 loss in 1 half-moves