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 Kf2 draw
3 Kf3 draw
4 Kg2 draw
5 Kh2 draw
6 Kh3 draw
7 Kh4 draw
8 Rf4 draw
9 Rg7 draw
10 Rh4 draw
11 Kf4 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Rg5 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Ra4 loss in 1 half-moves
18 Rb4 loss in 1 half-moves