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 Kf7 draw
3 Rf2 draw
4 Rf3 draw
5 Rf4 draw
6 Kg6 loss in 2 half-moves
7 Kgg7 loss in 2 half-moves
8 Kgh8 loss in 2 half-moves
9 Kh6 loss in 2 half-moves
10 Khg7 loss in 2 half-moves
11 Khh8 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 Rf1 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rf7 loss in 2 half-moves