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

EGTB: win in 2 half-moves

# move score
1 c5 win in 1 half-moves
2 Ra4 win in 1 half-moves
3 Ra7 win in 1 half-moves
4 Ra8 win in 1 half-moves
5 f5 loss in 1 half-moves
6 Ra1 loss in 1 half-moves
7 Ra2 loss in 1 half-moves
8 Ra3 loss in 1 half-moves
9 Ra5 loss in 1 half-moves
10 Rb6 loss in 1 half-moves