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

EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Rb3 draw
3 Rd3 draw
4 Re3 draw
5 Rf3 draw
6 Rg1 draw
7 Rg2 draw
8 Rg6 draw
9 Rg8 draw
10 Kd7 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Kee7 loss in 2 half-moves
13 Kef7 loss in 2 half-moves
14 Kfe7 loss in 2 half-moves
15 Kff7 loss in 2 half-moves
16 Kg7 loss in 2 half-moves
17 Kg8 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rh3 loss in 2 half-moves