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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Kf4 draw
3 Kf5 draw
4 Kf6 draw
5 Kg4 draw
6 Kg6 draw
7 Kh4 draw
8 Kh5 draw
9 Kh6 draw
10 Rf7 draw
11 Rg6 draw
12 Rh7 draw
13 Rc7 loss in 6 half-moves
14 Re7 loss in 6 half-moves
15 Ra7 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rd7 loss in 1 half-moves