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

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Kc7 draw
3 Kc8 draw
4 Kdd7 draw
5 Kde7 draw
6 Ked7 draw
7 Kee7 draw
8 Kf7 draw
9 Rf5 draw
10 Rf6 draw
11 Rf7 draw
12 Rf1 loss in 2 half-moves
13 Rf2 loss in 2 half-moves
14 Rf3 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh8 loss in 2 half-moves