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

EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Ra1 draw
3 Rb1 draw
4 Rd1 draw
5 Kf4 loss in 2 half-moves
6 Kf5 loss in 2 half-moves
7 Kf6 loss in 2 half-moves
8 Kg2 loss in 2 half-moves
9 Kg3 loss in 2 half-moves
10 Kg6 loss in 2 half-moves
11 Kgg4 loss in 2 half-moves
12 Kgh4 loss in 2 half-moves
13 Kh2 loss in 2 half-moves
14 Kh5 loss in 2 half-moves
15 Kh6 loss in 2 half-moves
16 Khg4 loss in 2 half-moves
17 Khh4 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