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 Kg1 draw
3 Kg2 draw
4 Kg3 draw
5 Kh1 draw
6 Kh3 draw
7 Rc6 draw
8 Rg1 draw
9 Rg2 draw
10 Rg3 draw
11 Rh6 draw
12 Ra6 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rg5 loss in 2 half-moves
15 Rg7 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Rd6 loss in 1 half-moves
18 Re6 loss in 1 half-moves
19 Rf6 loss in 1 half-moves