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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Rf1 loss in 4 half-moves
3 Rg1 loss in 4 half-moves
4 Rh1 loss in 4 half-moves
5 Ka5 loss in 2 half-moves
6 Ka7 loss in 2 half-moves
7 Kb5 loss in 2 half-moves
8 Kb6 loss in 2 half-moves
9 Kb7 loss in 2 half-moves
10 Ra5 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rd1 loss in 2 half-moves
13 Re1 loss in 2 half-moves
14 Ra2 loss in 1 half-moves
15 Ra3 loss in 1 half-moves
16 Rc1 loss in 1 half-moves