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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rh1 win in 1 half-moves
3 Rb5 loss in 6 half-moves
4 Rb6 loss in 6 half-moves
5 Rb7 loss in 6 half-moves
6 Ka2 loss in 2 half-moves
7 Kb2 loss in 2 half-moves
8 Rb2 loss in 2 half-moves
9 Rb3 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rc1 loss in 2 half-moves
12 Rg1 loss in 2 half-moves
13 Rd1 loss in 1 half-moves
14 Re1 loss in 1 half-moves
15 Rf1 loss in 1 half-moves