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

EGTB: win in 2 half-moves

# move score
1 Ra5 win in 1 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Ra4 draw
6 Ra7 draw
7 Ra8 draw
8 Rb3 draw
9 Rd3 draw
10 Re3 draw
11 Rf3 draw
12 Ra2 loss in 2 half-moves
13 Ra6 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rg3 loss in 2 half-moves
16 Rh3 loss in 2 half-moves