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

EGTB: win in 2 half-moves

# move score
1 f5 win in 1 half-moves
2 Rb2 win in 1 half-moves
3 Rb6 win in 1 half-moves
4 Ra1 loss in 2 half-moves
5 Rb3 loss in 2 half-moves
6 Rb4 loss in 2 half-moves
7 Rb7 loss in 2 half-moves
8 Rb8 loss in 2 half-moves
9 Rc1 loss in 2 half-moves
10 Rd1 loss in 2 half-moves
11 Re1 loss in 2 half-moves
12 Rf1 loss in 2 half-moves
13 Rg1 loss in 2 half-moves
14 Rh1 loss in 2 half-moves
15 Rb5 loss in 1 half-moves