Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Rg1 draw
3 Rg2 draw
4 Rg3 draw
5 Rg6 draw
6 Kc7 loss in 2 half-moves
7 Kc8 loss in 2 half-moves
8 Kd7 loss in 2 half-moves
9 Ke4 loss in 2 half-moves
10 Ke5 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Ke8 loss in 2 half-moves
13 Kf4 loss in 2 half-moves
14 Kg4 loss in 2 half-moves
15 Rg4 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Rh5 loss in 2 half-moves
18 Ke6 loss in 1 half-moves
19 Kf6 loss in 1 half-moves
20 Kg6 loss in 1 half-moves