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 Rg7 win in 5 half-moves
3 Rg8 win in 5 half-moves
4 Rg3 win in 7 half-moves
5 Rg4 win in 7 half-moves
6 Kg5 draw
7 Kh5 draw
8 Ra2 draw
9 Rc2 draw
10 Rd2 draw
11 Re2 draw
12 Rg5 draw
13 Kd6 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Kd8 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Ke8 loss in 2 half-moves
18 Kf6 loss in 2 half-moves
19 Kf7 loss in 2 half-moves
20 Kf8 loss in 2 half-moves
21 Kg6 loss in 2 half-moves
22 Kg7 loss in 2 half-moves
23 Kh7 loss in 2 half-moves
24 Rb2 loss in 2 half-moves
25 Rf2 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh2 loss in 2 half-moves