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 K7b7 draw
3 K7b8 draw
4 K7d7 draw
5 K7d8 draw
6 K8b7 draw
7 K8b8 draw
8 K8d7 draw
9 K8d8 draw
10 Kb6 draw
11 Kc6 draw
12 Kd6 draw
13 Ra4 draw
14 Ra5 draw
15 Ra7 draw
16 Ra8 draw
17 Rb3 draw
18 Rf3 draw
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Rc3 loss in 2 half-moves
22 Rd3 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rh3 loss in 2 half-moves