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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Ka1 draw
3 Kb2 draw
4 Kc1 draw
5 Kc2 draw
6 Ra1 draw
7 Ra3 draw
8 Ra6 draw
9 Re2 draw
10 Rf2 loss in 20 half-moves
11 Ra4 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rd2 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rh2 loss in 2 half-moves