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

EGTB: win in 2 half-moves

# move score
1 Rf3 win in 1 half-moves
2 Ke4 draw
3 Ke6 draw
4 Kf4 draw
5 Kf6 draw
6 Rf1 draw
7 Rf2 draw
8 Rf4 draw
9 Rg5 draw
10 Rh5 draw
11 Kd4 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Rf6 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rf8 loss in 2 half-moves