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

EGTB: win in 6 half-moves

# move score
1 Ra7 win in 5 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kcc7 draw
5 Kcd7 draw
6 Kdc7 draw
7 Kdd7 draw
8 Ke7 draw
9 Ke8 draw
10 Ra1 draw
11 Ra6 draw
12 Ra8 draw
13 Rb2 draw
14 Rc2 draw
15 Rd2 draw
16 Rh2 draw
17 Ra3 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rg2 loss in 2 half-moves