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 Ka8 draw
3 Kb7 draw
4 Kc7 draw
5 Kc8 draw
6 Ra8 draw
7 Rb7 draw
8 Rc7 draw
9 Rd7 loss in 4 half-moves
10 Re7 loss in 4 half-moves
11 Ra1 loss in 2 half-moves
12 Ra2 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Rf7 loss in 1 half-moves
17 Rg7 loss in 1 half-moves
18 Rh7 loss in 1 half-moves