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

EGTB: win in 2 half-moves

# move score
1 Rf5 win in 1 half-moves
2 Rf6 win in 1 half-moves
3 Rg8 win in 1 half-moves
4 Rf3 draw
5 Kd7 loss in 2 half-moves
6 Kd8 loss in 2 half-moves
7 Ke7 loss in 2 half-moves
8 Kf7 loss in 2 half-moves
9 Rf1 loss in 2 half-moves
10 Rf2 loss in 2 half-moves
11 Rf4 loss in 2 half-moves
12 Rf7 loss in 2 half-moves
13 Rh8 loss in 2 half-moves