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 Ka7 draw
3 Kb5 draw
4 Kb6 draw
5 Kb7 draw
6 Ra1 draw
7 Ra4 draw
8 Ra5 draw
9 Rb2 draw
10 Ka5 loss in 10 half-moves
11 Rf2 loss in 4 half-moves
12 Rd2 loss in 2 half-moves
13 Re2 loss in 2 half-moves
14 Rg2 loss in 2 half-moves
15 Rh2 loss in 2 half-moves
16 Rc2 loss in 1 half-moves