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 Kc7 draw
3 Kc8 draw
4 Ke6 draw
5 Ke7 draw
6 Ke8 draw
7 Ra8 draw
8 Rc8 draw
9 Rd8 draw
10 Re8 draw
11 Rf6 draw
12 Kc6 loss in 4 half-moves
13 Kd6 loss in 4 half-moves
14 Kd8 loss in 4 half-moves
15 Rf4 loss in 4 half-moves
16 Rf5 loss in 4 half-moves
17 Rf7 loss in 4 half-moves
18 Rf1 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves
22 Rf2 loss in 1 half-moves