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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Ka1 draw
3 Ka2 draw
4 Kb2 draw
5 Ra1 draw
6 Ra2 draw
7 Ra3 draw
8 Ra7 draw
9 Ra8 draw
10 Rc5 draw
11 Rd5 draw
12 Rh5 loss in 12 half-moves
13 Kc1 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Re5 loss in 1 half-moves
18 Rf5 loss in 1 half-moves
19 Rg5 loss in 1 half-moves