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

EGTB: win in 2 half-moves

# move score
1 Ra2 win in 1 half-moves
2 Rb1 loss in 10 half-moves
3 Ka6 loss in 8 half-moves
4 Ka7 loss in 8 half-moves
5 Ka8 loss in 8 half-moves
6 Kb6 loss in 8 half-moves
7 Kb8 loss in 8 half-moves
8 Ra7 loss in 8 half-moves
9 Rc1 loss in 8 half-moves
10 Kc6 loss in 4 half-moves
11 Kc7 loss in 4 half-moves
12 Kc8 loss in 4 half-moves
13 Rd1 loss in 4 half-moves
14 Ra3 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh1 loss in 1 half-moves