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 Ka7 draw
3 Kb8 draw
4 Ra3 draw
5 Ra4 draw
6 Ra5 draw
7 Ra7 draw
8 Rb2 draw
9 Rc2 draw
10 Rd2 draw
11 Re2 draw
12 Rf2 draw
13 Rg2 draw
14 Kb7 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Rh2 loss in 2 half-moves