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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Ra8 draw
3 Rb6 loss in 2 half-moves
4 Rb7 loss in 2 half-moves
5 Rc8 loss in 2 half-moves
6 Rd8 loss in 2 half-moves
7 Rf8 loss in 2 half-moves
8 Rg8 loss in 2 half-moves
9 Rh8 loss in 2 half-moves
10 b5 loss in 1 half-moves
11 Re8 loss in 1 half-moves