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 Rc7 draw
8 Rd7 draw
9 Re7 draw
10 Rf7 draw
11 Rg5 draw
12 Rg6 draw
13 Rg8 draw
14 Rh7 draw
15 Ra7 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rg1 loss in 2 half-moves
18 Rg2 loss in 2 half-moves
19 Rg3 loss in 2 half-moves