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 K1g2 draw
3 K2g2 draw
4 Ra7 draw
5 Rb7 draw
6 Rg1 draw
7 Rg2 draw
8 Rg3 draw
9 Rg4 draw
10 Rg5 draw
11 Rg6 draw
12 Rh7 draw
13 K2g1 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Kh3 loss in 2 half-moves
16 K1g1 loss in 1 half-moves
17 Rc7 loss in 1 half-moves
18 Rd7 loss in 1 half-moves
19 Re7 loss in 1 half-moves
20 Rf7 loss in 1 half-moves