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

EGTB: win in 10 half-moves

# move score
1 c5 win in 9 half-moves
2 Rc7 win in 13 half-moves
3 Rf8 win in 13 half-moves
4 Rg8 win in 13 half-moves
5 Rh8 win in 13 half-moves
6 Ra8 loss in 2 half-moves
7 Rb8 loss in 2 half-moves
8 Rd8 loss in 2 half-moves
9 Re8 loss in 2 half-moves