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