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

EGTB: win in 1 half-moves

# move score
1 Rfxf1 win in 5 half-moves
2 gxf1=B win in 11 half-moves
3 gxf1=N win in 17 half-moves
4 gxf1=K draw
5 gxf1=Q loss in 4 half-moves
6 gxf1=R loss in 4 half-moves
7 Rgxf1 loss in 4 half-moves