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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Kb8 loss in 10 half-moves
3 Ra1 loss in 10 half-moves
4 Rb2 loss in 10 half-moves
5 Ka6 loss in 8 half-moves
6 Ka7 loss in 8 half-moves
7 Ka8 loss in 8 half-moves
8 Kb6 loss in 8 half-moves
9 Ra7 loss in 8 half-moves
10 Rc2 loss in 8 half-moves
11 Kc8 loss in 4 half-moves
12 Kc6 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rd2 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rh2 loss in 1 half-moves