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 loss in 4 half-moves
3 Rb3 loss in 4 half-moves
4 Ra2 loss in 2 half-moves
5 Rb4 loss in 2 half-moves
6 Rc2 loss in 2 half-moves
7 Rd2 loss in 2 half-moves
8 Re2 loss in 2 half-moves
9 Rf2 loss in 2 half-moves
10 Rg2 loss in 2 half-moves
11 Rh2 loss in 2 half-moves