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 Kd7 draw
3 Ke7 draw
4 Kf7 draw
5 Kf8 draw
6 Re6 draw
7 Rf5 draw
8 Rf7 draw
9 Rf8 draw
10 Rg6 draw
11 Rh6 loss in 6 half-moves
12 Kd8 loss in 4 half-moves
13 Ra6 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rf3 loss in 2 half-moves