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 Kd1 draw
3 Kd2 draw
4 Ke1 draw
5 Kf1 draw
6 Rf1 draw
7 Rf7 draw
8 Rg2 draw
9 Rh2 draw
10 Kd3 loss in 2 half-moves
11 Ke3 loss in 2 half-moves
12 Kf3 loss in 2 half-moves
13 Rf3 loss in 2 half-moves
14 Rf4 loss in 2 half-moves
15 Rf5 loss in 2 half-moves
16 Rf6 loss in 2 half-moves