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 Kf7 draw
3 Kf8 draw
4 Kg7 draw
5 Kh7 draw
6 Kh8 draw
7 Ra3 draw
8 Re3 draw
9 Rf3 draw
10 Rg1 draw
11 Rg2 draw
12 Rg5 draw
13 Rg6 draw
14 Rh3 draw
15 Rb3 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Rg7 loss in 2 half-moves