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 Rf5 draw
5 Rf7 draw
6 Rg1 loss in 4 half-moves
7 Rh1 loss in 4 half-moves
8 Ke2 loss in 2 half-moves
9 Kf2 loss in 2 half-moves
10 Rf2 loss in 2 half-moves
11 Rf3 loss in 2 half-moves
12 Rf6 loss in 2 half-moves
13 Rf8 loss in 2 half-moves