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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Rb2 win in 1 half-moves
3 Re3 win in 1 half-moves
4 Rb1 loss in 2 half-moves
5 Rc3 loss in 2 half-moves
6 Rd3 loss in 2 half-moves
7 Rf3 loss in 2 half-moves
8 Rg3 loss in 2 half-moves
9 Rh3 loss in 2 half-moves
10 b5 loss in 1 half-moves