Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kb5 draw
5 Kb6 draw
6 Kb7 draw
7 Ra3 draw
8 Ra4 draw
9 Rb2 draw
10 Rf2 loss in 4 half-moves
11 Ra5 loss in 2 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