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 Rc4 win in 1 half-moves
3 Rg4 win in 1 half-moves
4 Ra1 loss in 2 half-moves
5 Ra2 loss in 2 half-moves
6 Ra3 loss in 2 half-moves
7 Ra5 loss in 2 half-moves
8 Ra6 loss in 2 half-moves
9 Ra8 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rd4 loss in 2 half-moves
12 Re4 loss in 2 half-moves
13 Rf4 loss in 2 half-moves
14 Rh4 loss in 2 half-moves
15 Ra7 loss in 1 half-moves