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 Ka3 draw
4 Kb1 draw
5 Kb2 draw
6 Kb3 draw
7 Ra4 draw
8 Ra5 draw
9 Ra8 draw
10 Rb7 draw
11 Rd7 draw
12 Rg7 loss in 4 half-moves
13 Ra3 loss in 2 half-moves
14 Rh7 loss in 2 half-moves
15 Rc7 loss in 1 half-moves
16 Re7 loss in 1 half-moves
17 Rf7 loss in 1 half-moves