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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Ra4 loss in 18 half-moves
3 Kb2 loss in 16 half-moves
4 Ka2 loss in 14 half-moves
5 Ka1 loss in 12 half-moves
6 Ra1 loss in 12 half-moves
7 Rb3 loss in 12 half-moves
8 Kc2 loss in 10 half-moves
9 Kc1 loss in 6 half-moves
10 Ra2 loss in 2 half-moves
11 Ra5 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rd3 loss in 2 half-moves
16 Re3 loss in 2 half-moves
17 Rf3 loss in 1 half-moves
18 Rg3 loss in 1 half-moves
19 Rh3 loss in 1 half-moves