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

EGTB: win in 2 half-moves

# move score
1 Rf6 win in 1 half-moves
2 Kd7 draw
3 Ke7 draw
4 Ke8 draw
5 Rf3 draw
6 Rf5 draw
7 Rf7 draw
8 Rh8 draw
9 Kc7 loss in 8 half-moves
10 Kc8 loss in 4 half-moves
11 Re8 loss in 2 half-moves
12 Rf1 loss in 2 half-moves
13 Rf2 loss in 2 half-moves
14 Rg8 loss in 2 half-moves
15 Rf4 loss in 1 half-moves