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

EGTB: win in 2 half-moves

# move score
1 b7 win in 1 half-moves
2 Ra1 win in 1 half-moves
3 Rd1 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 Rg1 win in 1 half-moves
8 Rh1 win in 1 half-moves
9 Rb1 loss in 1 half-moves
10 Rc1 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 Re8 loss in 1 half-moves
15 Rf1 loss in 1 half-moves