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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Kg1 draw
3 Kg2 draw
4 Kg3 draw
5 Kg7 draw
6 Kh1 draw
7 Kh3 draw
8 Kh7 draw
9 Re8 draw
10 Rf8 draw
11 Rg1 draw
12 Rg2 draw
13 Rg3 draw
14 Rg4 draw
15 Rb8 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rg7 loss in 2 half-moves