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

EGTB: win in 4 half-moves

# move score
1 Kg7 win in 3 half-moves
2 Rg1 draw
3 Rg2 draw
4 Kc6 loss in 2 half-moves
5 Kc7 loss in 2 half-moves
6 Kc8 loss in 2 half-moves
7 Kd6 loss in 2 half-moves
8 Kd8 loss in 2 half-moves
9 Kde7 loss in 2 half-moves
10 Kde8 loss in 2 half-moves
11 Ke6 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Kfe7 loss in 2 half-moves
14 Kfe8 loss in 2 half-moves
15 Rg3 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rg5 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh8 loss in 2 half-moves