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 Kg6 draw
3 Kg7 draw
4 Kg8 draw
5 Kh6 draw
6 Ra8 draw
7 Rc8 draw
8 Re8 draw
9 Rf6 draw
10 Rf7 draw
11 Rh8 draw
12 Kh8 loss in 8 half-moves
13 Rd8 loss in 2 half-moves
14 Rf1 loss in 2 half-moves
15 Rf2 loss in 2 half-moves
16 Rf3 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rf4 loss in 1 half-moves