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

EGTB: win in 2 half-moves

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