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