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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Re1 win in 1 half-moves
3 Re4 win in 1 half-moves
4 Re5 win in 1 half-moves
5 Re6 win in 1 half-moves
6 Ra8 loss in 2 half-moves
7 Rc8 loss in 2 half-moves
8 Rd8 loss in 2 half-moves
9 Re2 loss in 2 half-moves
10 Re3 loss in 2 half-moves
11 Re7 loss in 2 half-moves
12 Rf8 loss in 2 half-moves
13 Rg8 loss in 2 half-moves
14 Rh8 loss in 2 half-moves