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

EGTB: win in 2 half-moves

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