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 Kf2 draw
3 Rf7 draw
4 Kg1 loss in 10 half-moves
5 Kg2 loss in 10 half-moves
6 Rg1 loss in 10 half-moves
7 Ke2 loss in 6 half-moves
8 Ke1 loss in 4 half-moves
9 Rh7 loss in 4 half-moves
10 Ra7 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rg2 loss in 2 half-moves
13 Rg3 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rg5 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Rc7 loss in 1 half-moves
18 Rd7 loss in 1 half-moves
19 Re7 loss in 1 half-moves