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 Kd6 draw
3 Kd7 draw
4 Ke5 draw
5 Ke7 draw
6 Kf5 draw
7 Kf6 draw
8 Kf7 draw
9 Ra1 draw
10 Ra3 draw
11 Ra6 draw
12 Ra8 draw
13 Rb4 draw
14 Rd4 draw
15 Re4 draw
16 Rf4 draw
17 Rh4 draw
18 Kd5 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Rc4 loss in 2 half-moves