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

EGTB: win in 1 half-moves

# move score
1 Rfxc5 win in 3 half-moves
2 Qxc5 loss in 2 half-moves
3 Qxg8 loss in 2 half-moves
4 Rcxc5 loss in 2 half-moves