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

EGTB: win in 2 half-moves

# move score
1 Rg2 win in 1 half-moves
2 Kc7 loss in 2 half-moves
3 Kc8 loss in 2 half-moves
4 Kd7 loss in 2 half-moves
5 Kde7 loss in 2 half-moves
6 Kde8 loss in 2 half-moves
7 Ke6 loss in 2 half-moves
8 Kf6 loss in 2 half-moves
9 Kf8 loss in 2 half-moves
10 Kfe7 loss in 2 half-moves
11 Kfe8 loss in 2 half-moves
12 Kg6 loss in 2 half-moves
13 Kg8 loss in 2 half-moves
14 Rg1 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 Rg8 loss in 2 half-moves
20 Rh7 loss in 2 half-moves