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 Kb8 draw
3 Kd7 draw
4 Kd8 draw
5 Ra3 draw
6 Ra4 draw
7 Ra5 draw
8 Ra8 draw
9 Rb7 draw
10 Rc7 draw
11 Re7 draw
12 Rf7 draw
13 Rg7 draw
14 Rh7 draw
15 Ra1 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Kb7 loss in 1 half-moves
19 Kc7 loss in 1 half-moves