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 Rb8 win in 1 half-moves
3 Rd8 win in 1 half-moves
4 Rf8 win in 1 half-moves
5 Rg8 win in 1 half-moves
6 Rh8 win in 1 half-moves
7 c4 loss in 2 half-moves
8 Ra8 loss in 1 half-moves
9 Rc6 loss in 1 half-moves
10 Rc7 loss in 1 half-moves
11 Re8 loss in 1 half-moves