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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Kd4 draw
3 Kd5 draw
4 Ke4 draw
5 Kf5 draw
6 Kf6 draw
7 Ra6 draw
8 Rb4 draw
9 Rc4 draw
10 Rd4 draw
11 Ra8 loss in 6 half-moves
12 Kd6 loss in 4 half-moves
13 Ke6 loss in 4 half-moves
14 Ra3 loss in 4 half-moves
15 Ra5 loss in 4 half-moves
16 Kf4 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves
22 Ra7 loss in 1 half-moves