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 Rg1 win in 1 half-moves
3 Rb1 loss in 20 half-moves
4 Kb1 loss in 18 half-moves
5 Kb3 loss in 18 half-moves
6 Kc3 loss in 18 half-moves
7 Ka2 loss in 16 half-moves
8 Kc2 loss in 16 half-moves
9 Ra2 loss in 16 half-moves
10 Rf1 loss in 12 half-moves
11 Kc1 loss in 8 half-moves
12 Ka3 loss in 4 half-moves
13 Ra3 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 Ra7 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves