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 Kd5 draw
4 Kd6 draw
5 Ke6 draw
6 Kf5 draw
7 Kg7 draw
8 Kg8 draw
9 Kh7 draw
10 Ra4 draw
11 Rb4 draw
12 Rc4 draw
13 Rd4 draw
14 Re1 draw
15 Re2 draw
16 Re3 draw
17 Rf4 draw
18 Kf4 loss in 2 half-moves
19 Kf6 loss in 2 half-moves
20 Rh4 loss in 1 half-moves