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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Kb7 loss in 8 half-moves
3 Kc7 loss in 6 half-moves
4 Kc8 loss in 6 half-moves
5 Ra8 loss in 6 half-moves
6 Ka7 loss in 4 half-moves
7 Ka8 loss in 4 half-moves
8 Re1 loss in 4 half-moves
9 Ra2 loss in 2 half-moves
10 Ra3 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rd1 loss in 2 half-moves
17 Rf1 loss in 1 half-moves
18 Rg1 loss in 1 half-moves
19 Rh1 loss in 1 half-moves