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 Kc7 draw
3 Kc8 draw
4 Kd6 draw
5 Kdd7 draw
6 Kde8 draw
7 Ke6 draw
8 Ked7 draw
9 Kee8 draw
10 Kf6 draw
11 Kf7 draw
12 Kf8 draw
13 Ra4 draw
14 Ra5 draw
15 Ra7 draw
16 Ra8 draw
17 Rg3 draw
18 Ra1 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Rb3 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 Rf3 loss in 2 half-moves
25 Rh3 loss in 2 half-moves