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