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 Kd2 draw
3 Kd3 draw
4 Kd4 draw
5 Ke2 draw
6 Kf2 draw
7 Rf1 draw
8 Rf2 draw
9 Rf7 draw
10 Ke4 loss in 2 half-moves
11 Kf4 loss in 2 half-moves
12 Rf4 loss in 2 half-moves
13 Rf5 loss in 2 half-moves
14 Rf6 loss in 2 half-moves
15 Rg3 loss in 2 half-moves
16 Rh3 loss in 2 half-moves