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 K5b6 draw
3 K5c6 draw
4 K5d6 draw
5 K7b6 draw
6 K7c6 draw
7 K7d6 draw
8 Kb8 draw
9 Kc8 draw
10 Kd5 draw
11 Kd7 draw
12 Kd8 draw
13 Re5 draw
14 Rf5 draw
15 Rg6 draw
16 Rg7 draw
17 Rh5 draw
18 Kb4 loss in 2 half-moves
19 Kb5 loss in 2 half-moves
20 Kb7 loss in 2 half-moves
21 Kc4 loss in 2 half-moves
22 Kd4 loss in 2 half-moves
23 Rd5 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rg2 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rg4 loss in 2 half-moves