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

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Kc6 draw
6 Kc8 draw
7 Kcd6 draw
8 Kcd7 draw
9 Kd8 draw
10 Ke7 draw
11 Ked6 draw
12 Ked7 draw
13 Kf6 draw
14 Kf7 draw
15 Ra1 draw
16 Rg6 draw
17 Rg7 draw
18 Rh1 draw
19 Kd5 loss in 2 half-moves
20 Ke5 loss in 2 half-moves
21 Kf5 loss in 2 half-moves
22 Rb1 loss in 2 half-moves
23 Rc1 loss in 2 half-moves
24 Rd1 loss in 2 half-moves
25 Re1 loss in 2 half-moves
26 Rf1 loss in 2 half-moves
27 Rg2 loss in 2 half-moves
28 Rg3 loss in 2 half-moves
29 Rg4 loss in 2 half-moves
30 Rg5 loss in 2 half-moves