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 Ra3 win in 1 half-moves
3 Ra5 win in 1 half-moves
4 Ra7 win in 1 half-moves
5 Re1 draw
6 Rf1 draw
7 Rb1 loss in 4 half-moves
8 Rh1 loss in 4 half-moves
9 Ra2 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rc1 loss in 2 half-moves
14 Rd1 loss in 2 half-moves
15 Rg1 loss in 2 half-moves