Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Rb4 win in 7 half-moves
3 Rf3 draw
4 Rh3 draw
5 b6 loss in 2 half-moves
6 Ra3 loss in 2 half-moves
7 Rb1 loss in 2 half-moves
8 Rc3 loss in 2 half-moves
9 Rd3 loss in 2 half-moves
10 Re3 loss in 2 half-moves
11 Rg3 loss in 2 half-moves