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 Ke3 draw
3 Ke4 draw
4 Ke5 draw
5 Kf3 draw
6 Kf5 draw
7 Kg4 draw
8 Kg5 draw
9 Ra7 draw
10 Re7 draw
11 Rg7 draw
12 Kg3 loss in 12 half-moves
13 Rh7 loss in 12 half-moves
14 Rb7 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rf6 loss in 2 half-moves