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 Kb7 draw
3 Kb8 draw
4 Kc8 draw
5 Kd7 draw
6 Kd8 draw
7 Ra8 draw
8 Rc8 draw
9 Re1 draw
10 Re6 draw
11 Re7 draw
12 Kb6 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re2 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves