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