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 Kh5 draw
3 Rg4 draw
4 Rg5 draw
5 Rg6 draw
6 Kg5 loss in 8 half-moves
7 Kh3 loss in 8 half-moves
8 Rh7 loss in 8 half-moves
9 Ra7 loss in 4 half-moves
10 Kg3 loss in 2 half-moves
11 Kg4 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rd7 loss in 1 half-moves