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

EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Ra1 draw
3 Rb1 draw
4 Rd1 draw
5 Rg4 draw
6 Rg5 draw
7 Kf6 loss in 2 half-moves
8 Kf7 loss in 2 half-moves
9 Kf8 loss in 2 half-moves
10 Kgg6 loss in 2 half-moves
11 Kgg8 loss in 2 half-moves
12 Kgh6 loss in 2 half-moves
13 Kgh8 loss in 2 half-moves
14 Khg6 loss in 2 half-moves
15 Khg8 loss in 2 half-moves
16 Khh6 loss in 2 half-moves
17 Khh8 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rg3 loss in 2 half-moves
23 Rh1 loss in 2 half-moves