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 Rb7 win in 1 half-moves
3 Rf7 win in 1 half-moves
4 Ra7 loss in 2 half-moves
5 Rd7 loss in 2 half-moves
6 Rg7 loss in 2 half-moves
7 Rh1 loss in 2 half-moves
8 Rh2 loss in 2 half-moves
9 Rh3 loss in 2 half-moves
10 Rh4 loss in 2 half-moves
11 Rh5 loss in 2 half-moves
12 Rh6 loss in 2 half-moves
13 Rh8 loss in 2 half-moves
14 Rc7 loss in 1 half-moves
15 Re7 loss in 1 half-moves