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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Ka3 loss in 2 half-moves
3 Ka5 loss in 2 half-moves
4 Ra2 loss in 2 half-moves
5 Ra3 loss in 2 half-moves
6 Rc1 loss in 2 half-moves
7 Rd1 loss in 2 half-moves
8 Re1 loss in 2 half-moves
9 Rf1 loss in 2 half-moves
10 Rg1 loss in 2 half-moves
11 Rh1 loss in 2 half-moves
12 Kb3 loss in 1 half-moves
13 Kb4 loss in 1 half-moves
14 Kb5 loss in 1 half-moves