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 Ka7 draw
4 Kb5 draw
5 Kb6 draw
6 Kb7 draw
7 Ra2 draw
8 Ra3 draw
9 Ra5 draw
10 Rc1 draw
11 Rd1 draw
12 Re1 draw
13 Rg1 draw
14 Rh1 draw
15 Rb1 loss in 2 half-moves
16 Rf1 loss in 2 half-moves