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 Ra1 draw
3 Rd1 draw
4 Re1 draw
5 Rf1 draw
6 Rg4 draw
7 Rg5 draw
8 Rg6 draw
9 Rg8 draw
10 Kb7 loss in 2 half-moves
11 Kb8 loss in 2 half-moves
12 Kcc7 loss in 2 half-moves
13 Kcd7 loss in 2 half-moves
14 Kdc7 loss in 2 half-moves
15 Kdd7 loss in 2 half-moves
16 Ke7 loss in 2 half-moves
17 Ke8 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rg2 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rh1 loss in 2 half-moves