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