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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Kc1 draw
3 Kc2 draw
4 Kd2 draw
5 Ra6 draw
6 Ra7 draw
7 Ra8 draw
8 Rb5 draw
9 Rc5 draw
10 Rd5 draw
11 Re5 draw
12 Ra1 loss in 4 half-moves
13 Ke1 loss in 2 half-moves
14 Ke2 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Rg5 loss in 2 half-moves
18 Rh5 loss in 2 half-moves
19 Rf5 loss in 1 half-moves