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 Kh8 win in 7 half-moves
3 Rh1 win in 7 half-moves
4 Kh6 win in 11 half-moves
5 Kgf8 win in 13 half-moves
6 Ke7 draw
7 Ke8 draw
8 Kff8 draw
9 Kfg6 draw
10 Kfg8 draw
11 Kgg6 draw
12 Kgg8 draw
13 Kh7 draw
14 Rb1 draw
15 Rf1 draw
16 Rg2 draw
17 Ke6 loss in 2 half-moves
18 Kff6 loss in 2 half-moves
19 Kgf6 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Rc1 loss in 2 half-moves
22 Rd1 loss in 2 half-moves
23 Re1 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rg4 loss in 2 half-moves
26 Rg5 loss in 2 half-moves