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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kg1 draw
3 Kg2 draw
4 Kg8 draw
5 Kh1 draw
6 Kh3 draw
7 Kh6 draw
8 Rg8 draw
9 Kg3 loss in 2 half-moves
10 Kg6 loss in 2 half-moves
11 Kg7 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf8 loss in 2 half-moves