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 Kd1 draw
3 Kd2 draw
4 Ke2 draw
5 Kf2 draw
6 Rf2 draw
7 Rf3 draw
8 Rf5 draw
9 Rf7 draw
10 Rf8 draw
11 Kg4 loss in 1 half-moves
12 Kg5 loss in 1 half-moves
13 Kg6 loss in 1 half-moves
14 Kh4 loss in 1 half-moves
15 Kh6 loss in 1 half-moves
16 Rf6 loss in 1 half-moves
17 Rg1 loss in 1 half-moves
18 Rh1 loss in 1 half-moves