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

EGTB: win in 1 half-moves

# move score
1 Rxg4 win in 1 half-moves
2 Rxc6 win in 33 half-moves
3 Kcxc6 loss in 2 half-moves
4 Kdxc6 loss in 2 half-moves