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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Kb5 draw
3 Kb6 draw
4 Kb7 draw
5 Kc5 draw
6 Kc7 draw
7 Kd5 draw
8 Kd6 draw
9 Kd7 draw
10 Kg6 draw
11 Kg8 draw
12 Kh6 draw
13 Kh8 draw
14 Ra4 draw
15 Ra5 draw
16 Ra6 draw
17 Ra8 draw
18 Re3 draw
19 Rf3 draw
20 Rg3 draw
21 Rh3 draw
22 Kg7 loss in 2 half-moves
23 Ra1 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Rb3 loss in 2 half-moves
26 Rc3 loss in 2 half-moves
27 Rd3 loss in 2 half-moves