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 Kd8 draw
4 Ke7 draw
5 Rf1 draw
6 Rf2 draw
7 Rf3 draw
8 Kf7 loss in 2 half-moves
9 Rf5 loss in 2 half-moves
10 Rf6 loss in 2 half-moves
11 Rf7 loss in 2 half-moves
12 Rg8 loss in 2 half-moves
13 Rh8 loss in 2 half-moves