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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Ka5 draw
3 Kb5 draw
4 Kb6 draw
5 Kb7 draw
6 Ra2 draw
7 Ra3 draw
8 Ra5 draw
9 Rc1 draw
10 Rd1 draw
11 Rh1 draw
12 Ka7 loss in 20 half-moves
13 Rb1 loss in 2 half-moves
14 Re1 loss in 2 half-moves
15 Rf1 loss in 2 half-moves
16 Rg1 loss in 2 half-moves