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