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 Rf1 draw
6 Rf2 draw
7 Rf3 draw
8 Rf6 draw
9 Kd8 loss in 1 half-moves
10 Kg1 loss in 1 half-moves
11 Kg2 loss in 1 half-moves
12 Kh2 loss in 1 half-moves
13 Rf5 loss in 1 half-moves
14 Rf7 loss in 1 half-moves
15 Rg8 loss in 1 half-moves
16 Rh8 loss in 1 half-moves