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

EGTB: win in 4 half-moves

# move score
1 Rg5 win in 3 half-moves
2 Kc5 draw
3 Kd5 draw
4 Ke4 draw
5 Ke5 draw
6 Ra6 draw
7 Rb6 draw
8 Rd6 draw
9 Rf6 draw
10 Rg4 draw
11 Rg7 draw
12 Rg8 draw
13 Rh6 draw
14 Kc3 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Rc6 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rg3 loss in 2 half-moves