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 Ke4 draw
4 Kf3 draw
5 Kf4 draw
6 Ra1 draw
7 Ra3 draw
8 Ra5 draw
9 Ra6 draw
10 Rh4 draw
11 Kd2 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Ke2 loss in 2 half-moves
14 Kf2 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Rf4 loss in 2 half-moves