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 Kf7 draw
3 Kg7 draw
4 Kh7 draw
5 Kh8 draw
6 Ra1 draw
7 Ra2 draw
8 Ra5 draw
9 Ra7 draw
10 Ra8 draw
11 Rb4 draw
12 Rd4 draw
13 Re4 draw
14 Rf4 draw
15 Rh4 draw
16 Kf8 loss in 12 half-moves
17 Ra3 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Rc4 loss in 2 half-moves