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 Kh1 draw
5 Kh3 draw
6 Re5 draw
7 Rf5 draw
8 Rg7 draw
9 Rg8 draw
10 Rh5 draw
11 Kg3 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rc5 loss in 2 half-moves
15 Rg1 loss in 2 half-moves
16 Rg2 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rd5 loss in 1 half-moves