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

EGTB: win in 1 half-moves

# move score
1 Rxf1 win in 2 half-moves
2 gxf1=R win in 13 half-moves
3 gxf1=K draw
4 gxf1=N draw
5 gxf1=B loss in 2 half-moves
6 gxf1=Q loss in 2 half-moves