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 Rc8 win in 1 half-moves
3 Re1 win in 1 half-moves
4 Re2 win in 1 half-moves
5 Re3 win in 1 half-moves
6 Re7 win in 1 half-moves
7 Rg8 win in 1 half-moves
8 a3 loss in 2 half-moves
9 Ra8 loss in 1 half-moves
10 Rd8 loss in 1 half-moves
11 Re4 loss in 1 half-moves
12 Re5 loss in 1 half-moves
13 Re6 loss in 1 half-moves
14 Rf8 loss in 1 half-moves
15 Rh8 loss in 1 half-moves