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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Ra3 draw
3 Ra4 draw
4 Ra5 draw
5 Ra7 draw
6 Ra8 draw
7 Rd2 draw
8 Re2 draw
9 Rf2 draw
10 Rh2 draw
11 Kb6 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kb8 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kc8 loss in 2 half-moves
16 Kcd7 loss in 2 half-moves
17 Kcd8 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Ke7 loss in 2 half-moves
20 Ked7 loss in 2 half-moves
21 Ked8 loss in 2 half-moves
22 Kf7 loss in 2 half-moves
23 Kf8 loss in 2 half-moves
24 Ra1 loss in 2 half-moves
25 Rb2 loss in 2 half-moves
26 Rc2 loss in 2 half-moves
27 Rg2 loss in 2 half-moves