Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rf8 win in 1 half-moves
2 Kc6 draw
3 Kc7 draw
4 Kd6 draw
5 Ke7 draw
6 Ra4 draw
7 Ra5 draw
8 Ra6 draw
9 Rd8 draw
10 Re8 draw
11 Ke8 loss in 6 half-moves
12 Kc8 loss in 4 half-moves
13 Kd8 loss in 4 half-moves
14 Ra7 loss in 4 half-moves
15 Ke6 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves