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

EGTB: win in 2 half-moves

# move score
1 f5 win in 1 half-moves
2 Rd3 win in 1 half-moves
3 Rd7 win in 1 half-moves
4 Re6 win in 1 half-moves
5 Rd1 loss in 2 half-moves
6 Rd2 loss in 2 half-moves
7 Rd4 loss in 2 half-moves
8 Rd5 loss in 2 half-moves
9 Rd8 loss in 2 half-moves