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 Ka2 draw
3 Kb2 draw
4 Kc1 draw
5 Kc2 draw
6 Ra2 draw
7 Ra4 draw
8 Rb7 draw
9 Re7 draw
10 Ka1 loss in 18 half-moves
11 Ra1 loss in 18 half-moves
12 Ra8 loss in 18 half-moves
13 Ra5 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Rg7 loss in 2 half-moves
16 Rh7 loss in 2 half-moves
17 Rc7 loss in 1 half-moves
18 Rd7 loss in 1 half-moves
19 Rf7 loss in 1 half-moves