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

EGTB: win in 6 half-moves

# move score
1 Ra6 win in 5 half-moves
2 Ra7 win in 5 half-moves
3 Rh2 draw
4 Ka5 loss in 2 half-moves
5 Ka6 loss in 2 half-moves
6 Ka7 loss in 2 half-moves
7 Kb5 loss in 2 half-moves
8 Kb7 loss in 2 half-moves
9 Kbc6 loss in 2 half-moves
10 Kbc7 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kc8 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Kd8 loss in 2 half-moves
15 Kdc6 loss in 2 half-moves
16 Kdc7 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Ke7 loss in 2 half-moves
19 Ke8 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Ra4 loss in 2 half-moves
23 Ra5 loss in 2 half-moves
24 Ra8 loss in 2 half-moves
25 Rb2 loss in 2 half-moves
26 Rc2 loss in 2 half-moves
27 Rd2 loss in 2 half-moves
28 Re2 loss in 2 half-moves
29 Rf2 loss in 2 half-moves
30 Rg2 loss in 2 half-moves