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 Rg7 win in 3 half-moves
3 Kb5 draw
4 Kb6 draw
5 Kb7 draw
6 Kc5 draw
7 Kc7 draw
8 Kcd5 draw
9 Kcd6 draw
10 Kd7 draw
11 Ke6 draw
12 Ked5 draw
13 Ked6 draw
14 Kf5 draw
15 Kf6 draw
16 Rg3 draw
17 Rg6 draw
18 Rg8 draw
19 Rh5 draw
20 Kd4 loss in 2 half-moves
21 Ke4 loss in 2 half-moves
22 Kf4 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rg2 loss in 2 half-moves