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 Rg2 draw
8 Rg3 draw
9 Rg7 draw
10 Rh4 draw
11 Ra4 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rg5 loss in 2 half-moves
14 Rg6 loss in 2 half-moves
15 Rc4 loss in 1 half-moves
16 Rd4 loss in 1 half-moves
17 Re4 loss in 1 half-moves
18 Rf4 loss in 1 half-moves