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

EGTB: win in 2 half-moves

# move score
1 Rf1 win in 1 half-moves
2 Ra1 loss in 8 half-moves
3 Rd1 loss in 8 half-moves
4 Re1 loss in 8 half-moves
5 Rg1 loss in 8 half-moves
6 Rh1 loss in 8 half-moves
7 Ka1 loss in 2 half-moves
8 Ka3 loss in 2 half-moves
9 Kb1 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rc2 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rc5 loss in 1 half-moves
17 Rc6 loss in 1 half-moves
18 Rc7 loss in 1 half-moves
19 Rc8 loss in 1 half-moves