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

EGTB: win in 1 half-moves

# move score
1 R8xg3 win in 13 half-moves
2 R1xg3 loss in 2 half-moves
3 Rhxg3 loss in 2 half-moves
4 Rxc8 loss in 2 half-moves