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 Ra4 draw
3 Rc4 draw
4 Rd4 draw
5 Re4 draw
6 Rf4 draw
7 Rg5 draw
8 Rg6 draw
9 Rg7 draw
10 Kf1 loss in 2 half-moves
11 Kf2 loss in 2 half-moves
12 Kf3 loss in 2 half-moves
13 Kg1 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Kh1 loss in 2 half-moves
16 Kh2 loss in 2 half-moves
17 Kh3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rh4 loss in 2 half-moves