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

EGTB: win in 2 half-moves

# move score
1 b6 win in 1 half-moves
2 Re3 win in 1 half-moves
3 Re7 win in 1 half-moves
4 Ra1 loss in 2 half-moves
5 Rb1 loss in 2 half-moves
6 Rc1 loss in 2 half-moves
7 Rd1 loss in 2 half-moves
8 Re2 loss in 2 half-moves
9 Re4 loss in 2 half-moves
10 Re5 loss in 2 half-moves
11 Re6 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rf1 loss in 2 half-moves
14 Rg1 loss in 2 half-moves
15 Rh1 loss in 2 half-moves