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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Ka7 draw
3 Ka8 draw
4 Kb7 draw
5 Kc8 draw
6 Ra2 draw
7 Ra3 draw
8 Ra5 draw
9 Ra8 draw
10 Rb1 draw
11 Rc1 draw
12 Re1 draw
13 Rf1 draw
14 Kc7 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rh1 loss in 2 half-moves