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 Kd3 draw
3 Kd4 draw
4 Kd5 draw
5 Ke3 draw
6 Ke5 draw
7 Kf5 draw
8 Rf6 draw
9 Rf7 draw
10 Kf3 loss in 2 half-moves
11 Rf1 loss in 2 half-moves
12 Rf2 loss in 2 half-moves
13 Rf3 loss in 2 half-moves
14 Rf5 loss in 2 half-moves
15 Rg4 loss in 2 half-moves
16 Rh4 loss in 2 half-moves