Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rf8 win in 1 half-moves
2 Rf4 draw
3 Rf5 draw
4 Rf6 draw
5 Rf7 draw
6 Rg1 draw
7 Kd1 loss in 2 half-moves
8 Kd2 loss in 2 half-moves
9 Ke2 loss in 2 half-moves
10 Kf2 loss in 2 half-moves
11 Rf2 loss in 2 half-moves
12 Rf3 loss in 2 half-moves
13 Rh1 loss in 2 half-moves