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 Kf6 draw
3 Kf7 draw
4 Kf8 draw
5 Kgg6 draw
6 Kgg8 draw
7 Kgh6 draw
8 Kgh8 draw
9 Khg6 draw
10 Khg8 draw
11 Khh6 draw
12 Khh8 draw
13 Ra1 draw
14 Rg5 draw
15 Rh1 draw
16 Rb1 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rd1 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 Rg4 loss in 2 half-moves