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

EGTB: win in 16 half-moves

# move score
1 Ra7 win in 15 half-moves
2 Ra3 draw
3 Ra5 draw
4 Re1 draw
5 Rf1 draw
6 Rg1 draw
7 Ka2 loss in 2 half-moves
8 Ka3 loss in 2 half-moves
9 Ka4 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kb8 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Kc8 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Kd7 loss in 2 half-moves
22 Kd8 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Ra4 loss in 2 half-moves
25 Ra6 loss in 2 half-moves
26 Ra8 loss in 2 half-moves
27 Rb1 loss in 2 half-moves
28 Rc1 loss in 2 half-moves
29 Rd1 loss in 2 half-moves
30 Rh1 loss in 2 half-moves