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 Kb8 draw
3 Kg5 draw
4 Kg6 draw
5 Kg7 draw
6 Kh5 draw
7 Kh7 draw
8 Ra1 draw
9 Ra2 draw
10 Ra3 draw
11 Ra5 draw
12 Ra6 draw
13 Ra7 draw
14 Rb4 draw
15 Rc4 draw
16 Re4 draw
17 Rf4 draw
18 Rh4 draw
19 Ka7 loss in 2 half-moves
20 Kb7 loss in 2 half-moves
21 Rd4 loss in 1 half-moves