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 Kf1 draw
3 Kf2 draw
4 Kf3 draw
5 Kg1 draw
6 Kg3 draw
7 Kh2 draw
8 Kh3 draw
9 Rg4 draw
10 Rg5 draw
11 Rg6 draw
12 Rh7 draw
13 Rb7 loss in 18 half-moves
14 Rd7 loss in 4 half-moves
15 Rc7 loss in 2 half-moves
16 Rg3 loss in 2 half-moves
17 Kh1 loss in 1 half-moves
18 Ra7 loss in 1 half-moves
19 Re7 loss in 1 half-moves
20 Rf7 loss in 1 half-moves