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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ka2 loss in 16 half-moves
3 Rb2 loss in 10 half-moves
4 Rb8 loss in 6 half-moves
5 Kb2 loss in 4 half-moves
6 Rf1 loss in 4 half-moves
7 Rg1 loss in 4 half-moves
8 Rb3 loss in 2 half-moves
9 Rb5 loss in 2 half-moves
10 Rb6 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rc1 loss in 2 half-moves
13 Rd1 loss in 2 half-moves
14 Re1 loss in 2 half-moves
15 Rh1 loss in 2 half-moves