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 Kd7 draw
3 Kf7 draw
4 Rc8 draw
5 Re8 draw
6 Rf1 draw
7 Rf6 draw
8 Rf7 draw
9 Rg8 draw
10 Rh8 draw
11 Ke8 loss in 8 half-moves
12 Kd6 loss in 2 half-moves
13 Kd8 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rf2 loss in 1 half-moves