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

EGTB: win in 8 half-moves

# move score
1 Rg4 win in 7 half-moves
2 Kgg4 draw
3 Kgg6 draw
4 Khg4 draw
5 Khg6 draw
6 Khh4 draw
7 Khh6 draw
8 Rd1 draw
9 Rg2 draw
10 Rg3 draw
11 Rh1 draw
12 Kf4 loss in 2 half-moves
13 Kf5 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Kgh4 loss in 2 half-moves
16 Kgh6 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Rf1 loss in 2 half-moves