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 Ra4 win in 1 half-moves
3 Rc4 win in 1 half-moves
4 Rf4 win in 1 half-moves
5 Rb4 loss in 2 half-moves
6 Rd4 loss in 2 half-moves
7 Re1 loss in 2 half-moves
8 Re2 loss in 2 half-moves
9 Re3 loss in 2 half-moves
10 Re6 loss in 2 half-moves
11 Re7 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rg4 loss in 2 half-moves
14 Rh4 loss in 2 half-moves
15 Re5 loss in 1 half-moves