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 Kc6 draw
3 Kc7 draw
4 Kd6 draw
5 Ke7 draw
6 Rd8 draw
7 Re8 draw
8 Rf6 draw
9 Rg8 draw
10 Rh8 draw
11 Ke6 loss in 8 half-moves
12 Ke8 loss in 6 half-moves
13 Kc8 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 Ra8 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rf3 loss in 2 half-moves