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 Kd7 draw
3 Kd8 draw
4 Kee7 draw
5 Kef7 draw
6 Kfe7 draw
7 Kff7 draw
8 Kg7 draw
9 Kg8 draw
10 Ra4 draw
11 Rg3 draw
12 Rg5 draw
13 Rg6 draw
14 Rg8 draw
15 Rh4 draw
16 Rb4 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rg2 loss in 2 half-moves