Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Kf1 draw
3 Kf2 draw
4 Kg2 draw
5 Kh1 draw
6 Kh2 draw
7 Ra4 draw
8 Re4 draw
9 Rf4 draw
10 Rg3 draw
11 Rg5 draw
12 Rg6 draw
13 Rg7 draw
14 Rh4 draw
15 Rb4 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Rg2 loss in 2 half-moves