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 Kf3 draw
3 Kf5 draw
4 Kg3 draw
5 Kg4 draw
6 Kg5 draw
7 Re7 draw
8 Rf7 draw
9 Rg4 draw
10 Rg5 draw
11 Rg6 draw
12 Ke4 loss in 10 half-moves
13 Ke5 loss in 6 half-moves
14 Ke3 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rg2 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rh7 loss in 1 half-moves