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