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