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

EGTB: win in 2 half-moves

# move score
1 Rg3 win in 1 half-moves
2 Kef7 win in 3 half-moves
3 Kg8 win in 3 half-moves
4 Rf7 win in 3 half-moves
5 Rg8 win in 3 half-moves
6 Rh7 win in 7 half-moves
7 Kff7 draw
8 Kd6 loss in 2 half-moves
9 Kd7 loss in 2 half-moves
10 Kd8 loss in 2 half-moves
11 Ke6 loss in 2 half-moves
12 Kee8 loss in 2 half-moves
13 Kf6 loss in 2 half-moves
14 Kfe8 loss in 2 half-moves
15 Rg1 loss in 2 half-moves
16 Rg2 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rg6 loss in 2 half-moves