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

EGTB: win in 1 half-moves

# move score
1 gxf1=B win in 9 half-moves
2 gxf1=N win in 15 half-moves
3 gxf1=K win in 39 half-moves
4 gxf1=Q loss in 2 half-moves
5 gxf1=R loss in 2 half-moves
6 Rxf1 loss in 2 half-moves