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

EGTB: win in 4 half-moves

# move score
1 Rh7 win in 3 half-moves
2 Kh7 draw
3 Rd8 draw
4 Rg8 draw
5 Kg5 loss in 2 half-moves
6 Kg6 loss in 2 half-moves
7 Kg7 loss in 2 half-moves
8 Kh5 loss in 2 half-moves
9 Ra8 loss in 2 half-moves
10 Rb8 loss in 2 half-moves
11 Rc8 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rf8 loss in 2 half-moves