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 Kf7 draw
3 Kf8 draw
4 Kg7 draw
5 Rc5 draw
6 Rd5 draw
7 Re5 draw
8 Rf6 draw
9 Rf8 draw
10 Rg5 draw
11 Rh5 draw
12 Kh7 loss in 4 half-moves
13 Kh8 loss in 4 half-moves
14 Ra5 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rf7 loss in 2 half-moves